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                                    Patent number 3,785,258
                                
 
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                                    Issue date Jan 15, 1974
                                
 
                        
                                                                
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                                    B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
                                 
                        
                 
             
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                        3592114
                    
                                            
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                                    Patent number 3,592,114
                                
 
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                                    Issue date Jul 13, 1971
                                
 
                        
                                                                
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                                    B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
                                 
                        
                 
             
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                        3559792
                    
                                            
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                                    Patent number 3,559,792
                                
 
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                                    Issue date Feb 2, 1971
                                
 
                        
                                                                
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                                    B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
                                 
                        
                 
             
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                        3478659
                    
                                            
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                                    Patent number 3,478,659
                                
 
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                                    Issue date Nov 18, 1969
                                
 
                        
                                                                
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                                    B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
                                 
                        
                 
             
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                        3011154
                    
                                            
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                                    Patent number 3,011,154
                                
 
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                                    Issue date Nov 28, 1961
                                
 
                        
                                                                
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                                    G06 - COMPUTING CALCULATING COUNTING
                                 
                        
                 
             
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                        2910163
                    
                                            
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                                    Patent number 2,910,163
                                
 
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                                    Issue date Oct 27, 1959
                                
 
                        
                                                                
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                                    B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
                                 
                        
                 
             
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                        2876687
                    
                                            
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                                    Patent number 2,876,687
                                
 
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                                    Issue date Mar 10, 1959
                                
 
                        
                                                                
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                                    G06 - COMPUTING CALCULATING COUNTING
                                 
                        
                 
             
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                        2702499
                    
                                            
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                                    Patent number 2,702,499
                                
 
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                                    Issue date Feb 22, 1955
                                
 
                        
                                                                
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                                    B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
                                 
                        
                 
             
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                        2678712
                    
                                            
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                                    Patent number 2,678,712
                                
 
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                                    Issue date May 18, 1954
                                
 
                        
                                                                
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                                    B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
                                 
                        
                 
             
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                        2678713
                    
                                            
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                                    Patent number 2,678,713
                                
 
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                                    Issue date May 18, 1954
                                
 
                        
                                                                
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                                    B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
                                 
                        
                 
             
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                        2664986
                    
                                            
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                                    Patent number 2,664,986
                                
 
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                                    Issue date Jan 5, 1954
                                
 
                        
                                                                
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                                    B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
                                 
                        
                 
             
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                        2609907
                    
                                            
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                                    Patent number 2,609,907
                                
 
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                                    Issue date Sep 9, 1952
                                
 
                        
                                                                
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                                    B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
                                 
                        
                 
             
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                        2402751
                    
                                            
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                                    Patent number 2,402,751
                                
 
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                                    Issue date Jun 25, 1946
                                
 
                        
                                                                
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                                    B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
                                 
                        
                 
             
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                        2313119
                    
                                            
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                                    Patent number 2,313,119
                                
 
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                                    Issue date Mar 9, 1943
                                
 
                        
                                                                
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                                    B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
                                 
                        
                 
             
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                        2261538
                    
                                            
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                                    Patent number 2,261,538
                                
 
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                                    Issue date Nov 4, 1941
                                
 
                        
                                                                
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                                    B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
                                 
                        
                 
             
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                        1858910
                    
                                            
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                                    Patent number 1,858,910
                                
 
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                                    Issue date May 17, 1932
                                
 
                        
                                                                
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                                    B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
                                 
                        
                 
             
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                        1812276
                    
                                            
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                                    Patent number 1,812,276
                                
 
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                                    Issue date Jun 30, 1931
                                
 
                        
                                                                
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                                    B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
                                 
                        
                 
             
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                        1647408
                    
                                            
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                                    Patent number 1,647,408
                                
 
                                - 
                                    Issue date Nov 1, 1927
                                
 
                        
                                                                
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                                    B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS