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                        Metal casting method
                    
                                            
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                                    Patent number 4,111,254
                                
 
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                                    Issue date Sep 5, 1978
                                
 
                        
                                            
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                                    The Kanthal Corporation
                                 
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                                    John Helge Haglund
                                 
                        
                                            
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                                    B22 - CASTING POWDER METALLURGY
                                 
                        
                 
             
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                        3900067
                    
                                            
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                                    Patent number 3,900,067
                                
 
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                                    Issue date Aug 19, 1975
                                
 
                        
                                                                
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                                    B22 - CASTING POWDER METALLURGY
                                 
                        
                 
             
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                        3735798
                    
                                            
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                                    Patent number 3,735,798
                                
 
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                                    Issue date May 29, 1973
                                
 
                        
                                                                
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                                    B22 - CASTING POWDER METALLURGY
                                 
                        
                 
             
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                        2792605
                    
                                            
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                                    Patent number 2,792,605
                                
 
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                                    Issue date May 21, 1957
                                
 
                        
                                                                
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                                    B22 - CASTING POWDER METALLURGY
                                 
                        
                 
             
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                        2779676
                    
                                            
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                                    Patent number 2,779,676
                                
 
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                                    Issue date Jan 29, 1957
                                
 
                        
                                                                
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                                    B22 - CASTING POWDER METALLURGY
                                 
                        
                 
             
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                        2616137
                    
                                            
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                                    Patent number 2,616,137
                                
 
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                                    Issue date Nov 4, 1952
                                
 
                        
                                                                
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                                    B22 - CASTING POWDER METALLURGY
                                 
                        
                 
             
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                        2419873
                    
                                            
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                                    Patent number 2,419,873
                                
 
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                                    Issue date Apr 29, 1947
                                
 
                        
                                                                
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                                    B22 - CASTING POWDER METALLURGY
                                 
                        
                 
             
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                        2274580
                    
                                            
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                                    Patent number 2,274,580
                                
 
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                                    Issue date Feb 24, 1942
                                
 
                        
                                                                
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                                    B22 - CASTING POWDER METALLURGY
                                 
                        
                 
             
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                        2273543
                    
                                            
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                                    Patent number 2,273,543
                                
 
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                                    Issue date Feb 17, 1942
                                
 
                        
                                                                
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                                    B22 - CASTING POWDER METALLURGY
                                 
                        
                 
             
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                        2209519
                    
                                            
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                                    Patent number 2,209,519
                                
 
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                                    Issue date Jul 30, 1940
                                
 
                        
                                                                
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                                    B22 - CASTING POWDER METALLURGY
                                 
                        
                 
             
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                        2170486
                    
                                            
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                                    Patent number 2,170,486
                                
 
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                                    Issue date Aug 22, 1939
                                
 
                        
                                                                
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                                    B22 - CASTING POWDER METALLURGY
                                 
                        
                 
             
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                        2067389
                    
                                            
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                                    Patent number 2,067,389
                                
 
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                                    Issue date Jan 12, 1937
                                
 
                        
                                                                
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                                    B22 - CASTING POWDER METALLURGY
                                 
                        
                 
             
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                        2067390
                    
                                            
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                                    Patent number 2,067,390
                                
 
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                                    Issue date Jan 12, 1937
                                
 
                        
                                                                
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                                    B22 - CASTING POWDER METALLURGY
                                 
                        
                 
             
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                        2039453
                    
                                            
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                                    Patent number 2,039,453
                                
 
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                                    Issue date May 5, 1936
                                
 
                        
                                                                
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                                    B22 - CASTING POWDER METALLURGY
                                 
                        
                 
             
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                        2025336
                    
                                            
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                                    Patent number 2,025,336
                                
 
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                                    Issue date Dec 24, 1935
                                
 
                        
                                                                
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                                    B22 - CASTING POWDER METALLURGY
                                 
                        
                 
             
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                        1946451
                    
                                            
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                                    Patent number 1,946,451
                                
 
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                                    Issue date Feb 6, 1934
                                
 
                        
                                                                
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                                    B22 - CASTING POWDER METALLURGY
                                 
                        
                 
             
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                        1938257
                    
                                            
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                                    Patent number 1,938,257
                                
 
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                                    Issue date Dec 5, 1933
                                
 
                        
                                                                
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                                    B22 - CASTING POWDER METALLURGY
                                 
                        
                 
             
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                        1930408
                    
                                            
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                                    Patent number 1,930,408
                                
 
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                                    Issue date Oct 10, 1933
                                
 
                        
                                                                
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                                    B22 - CASTING POWDER METALLURGY
                                 
                        
                 
             
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                        1926320
                    
                                            
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                                    Patent number 1,926,320
                                
 
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                                    Issue date Sep 12, 1933
                                
 
                        
                                                                
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                                    B22 - CASTING POWDER METALLURGY