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                        Carpet yarn twisting machine
                    
                                            
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                                    Patent number 10,519,572
                                
 
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                                    Issue date Dec 31, 2019
                                
 
                        
                                            
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                                    YICHANG JINGWEI TEXTILE MACHINERY CO., LTD.
                                 
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                                    Huaming  Yang
                                 
                        
                                            
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                                    D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
                                 
                        
                 
             
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                        3895484
                    
                                            
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                                    Patent number 3,895,484
                                
 
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                                    Issue date Jul 22, 1975
                                
 
                        
                                                                
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                                    D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
                                 
                        
                 
             
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                        3685269
                    
                                            
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                                    Patent number 3,685,269
                                
 
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                                    Issue date Aug 22, 1972
                                
 
                        
                                                                
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                                    D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
                                 
                        
                 
             
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                        3623312
                    
                                            
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                                    Patent number 3,623,312
                                
 
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                                    Issue date Nov 30, 1971
                                
 
                        
                                                                
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                                    D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
                                 
                        
                 
             
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                        3564832
                    
                                            
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                                    Patent number 3,564,832
                                
 
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                                    Issue date Feb 23, 1971
                                
 
                        
                                                                
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                                    D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
                                 
                        
                 
             
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                        3557541
                    
                                            
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                                    Patent number 3,557,541
                                
 
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                                    Issue date Jan 26, 1971
                                
 
                        
                                                                
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                                    D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
                                 
                        
                 
             
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                        3466864
                    
                                            
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                                    Patent number 3,466,864
                                
 
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                                    Issue date Sep 16, 1969
                                
 
                        
                                                                
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                                    D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
                                 
                        
                 
             
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                        3423922
                    
                                            
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                                    Patent number 3,423,922
                                
 
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                                    Issue date Jan 28, 1969
                                
 
                        
                                                                
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                                    D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
                                 
                        
                 
             
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                        3319410
                    
                                            
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                                    Patent number 3,319,410
                                
 
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                                    Issue date May 16, 1967
                                
 
                        
                                                                
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                                    D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
                                 
                        
                 
             
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                        3299623
                    
                                            
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                                    Patent number 3,299,623
                                
 
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                                    Issue date Jan 24, 1967
                                
 
                        
                                                                
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                                    D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
                                 
                        
                 
             
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                        3298167
                    
                                            
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                                    Patent number 3,298,167
                                
 
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                                    Issue date Jan 17, 1967
                                
 
                        
                                                                
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                                    D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
                                 
                        
                 
             
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                        3296787
                    
                                            
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                                    Patent number 3,296,787
                                
 
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                                    Issue date Jan 10, 1967
                                
 
                        
                                                                
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                                    D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
                                 
                        
                 
             
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                        3279162
                    
                                            
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                                    Patent number 3,279,162
                                
 
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                                    Issue date Oct 18, 1966
                                
 
                        
                                                                
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                                    D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
                                 
                        
                 
             
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                        3276197
                    
                                            
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                                    Patent number 3,276,197
                                
 
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                                    Issue date Oct 4, 1966
                                
 
                        
                                                                
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                                    D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
                                 
                        
                 
             
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                        3177643
                    
                                            
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                                    Patent number 3,177,643
                                
 
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                                    Issue date Apr 13, 1965
                                
 
                        
                                                                
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                                    D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
                                 
                        
                 
             
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                        3007299
                    
                                            
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                                    Patent number 3,007,299
                                
 
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                                    Issue date Nov 7, 1961
                                
 
                        
                                                                
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                                    D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
                                 
                        
                 
             
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                        2932150
                    
                                            
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                                    Patent number 2,932,150
                                
 
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                                    Issue date Apr 12, 1960
                                
 
                        
                                                                
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                                    D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
                                 
                        
                 
             
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                        2880567
                    
                                            
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                                    Patent number 2,880,567
                                
 
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                                    Issue date Apr 7, 1959
                                
 
                        
                                                                
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                                    D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
                                 
                        
                 
             
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                        2867967
                    
                                            
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                                    Patent number 2,867,967
                                
 
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                                    Issue date Jan 13, 1959
                                
 
                        
                                                                
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                                    D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
                                 
                        
                 
             
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                        2811013
                    
                                            
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                                    Patent number 2,811,013
                                
 
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                                    Issue date Oct 29, 1957
                                
 
                        
                                                                
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                                    D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
                                 
                        
                 
             
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                        2733566
                    
                                            
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                                    Patent number 2,733,566
                                
 
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                                    Issue date Feb 7, 1956
                                
 
                        
                                                                
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                                    D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
                                 
                        
                 
             
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                        2731787
                    
                                            
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                                    Patent number 2,731,787
                                
 
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                                    Issue date Jan 24, 1956
                                
 
                        
                                                                
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                                    D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
                                 
                        
                 
             
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                        2692471
                    
                                            
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                                    Patent number 2,692,471
                                
 
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                                    Issue date Oct 26, 1954
                                
 
                        
                                                                
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                                    D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING