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                        Conductive idler sheave
                    
                                            
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                                    Patent number 4,716,997
                                
 
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                                    Issue date Jan 5, 1988
                                
 
                        
                                            
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                                    Otis Elevator Company
                                 
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                                    William H. Gibson
                                 
                        
                                            
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                                    B60 - VEHICLES IN GENERAL
                                 
                        
                 
             
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                        3829631
                    
                                            
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                                    Patent number 3,829,631
                                
 
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                                    Issue date Aug 13, 1974
                                
 
                        
                                                                
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                                    B60 - VEHICLES IN GENERAL
                                 
                        
                 
             
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                        2855470
                    
                                            
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                                    Patent number 2,855,470
                                
 
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                                    Issue date Oct 7, 1958
                                
 
                        
                                                                
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                                    B60 - VEHICLES IN GENERAL
                                 
                        
                 
             
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                        2764644
                    
                                            
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                                    Patent number 2,764,644
                                
 
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                                    Issue date Sep 25, 1956
                                
 
                        
                                                                
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                                    B60 - VEHICLES IN GENERAL
                                 
                        
                 
             
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                        2761025
                    
                                            
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                                    Patent number 2,761,025
                                
 
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                                    Issue date Aug 28, 1956
                                
 
                        
                                                                
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                                    B60 - VEHICLES IN GENERAL
                                 
                        
                 
             
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                        2495750
                    
                                            
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                                    Patent number 2,495,750
                                
 
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                                    Issue date Jan 31, 1950
                                
 
                        
                                                                
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                                    B60 - VEHICLES IN GENERAL
                                 
                        
                 
             
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                        2396049
                    
                                            
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                                    Patent number 2,396,049
                                
 
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                                    Issue date Mar 5, 1946
                                
 
                        
                                                                
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                                    B60 - VEHICLES IN GENERAL
                                 
                        
                 
             
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                        2343693
                    
                                            
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                                    Patent number 2,343,693
                                
 
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                                    Issue date Mar 7, 1944
                                
 
                        
                                                                
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                                    B60 - VEHICLES IN GENERAL
                                 
                        
                 
             
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                        2291756
                    
                                            
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                                    Patent number 2,291,756
                                
 
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                                    Issue date Aug 4, 1942
                                
 
                        
                                                                
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                                    B60 - VEHICLES IN GENERAL
                                 
                        
                 
             
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                        2227229
                    
                                            
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                                    Patent number 2,227,229
                                
 
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                                    Issue date Dec 31, 1940
                                
 
                        
                                                                
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                                    B60 - VEHICLES IN GENERAL
                                 
                        
                 
             
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                        2222641
                    
                                            
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                                    Patent number 2,222,641
                                
 
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                                    Issue date Nov 26, 1940
                                
 
                        
                                                                
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                                    B60 - VEHICLES IN GENERAL
                                 
                        
                 
             
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                        2063291
                    
                                            
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                                    Patent number 2,063,291
                                
 
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                                    Issue date Dec 8, 1936
                                
 
                        
                                                                
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                                    B60 - VEHICLES IN GENERAL
                                 
                        
                 
             
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                        2046482
                    
                                            
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                                    Patent number 2,046,482
                                
 
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                                    Issue date Jul 7, 1936
                                
 
                        
                                                                
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                                    B60 - VEHICLES IN GENERAL
                                 
                        
                 
             
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                        2031081
                    
                                            
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                                    Patent number 2,031,081
                                
 
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                                    Issue date Feb 18, 1936
                                
 
                        
                                                                
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                                    B60 - VEHICLES IN GENERAL
                                 
                        
                 
             
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                        1988415
                    
                                            
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                                    Patent number 1,988,415
                                
 
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                                    Issue date Jan 15, 1935
                                
 
                        
                                                                
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                                    B60 - VEHICLES IN GENERAL
                                 
                        
                 
             
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                        1963592
                    
                                            
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                                    Patent number 1,963,592
                                
 
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                                    Issue date Jun 19, 1934
                                
 
                        
                                                                
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                                    B60 - VEHICLES IN GENERAL
                                 
                        
                 
             
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                        1960441
                    
                                            
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                                    Patent number 1,960,441
                                
 
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                                    Issue date May 29, 1934
                                
 
                        
                                                                
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                                    B60 - VEHICLES IN GENERAL
                                 
                        
                 
             
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                        1953662
                    
                                            
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                                    Patent number 1,953,662
                                
 
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                                    Issue date Apr 3, 1934
                                
 
                        
                                                                
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                                    B60 - VEHICLES IN GENERAL
                                 
                        
                 
             
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                        1927906
                    
                                            
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                                    Patent number 1,927,906
                                
 
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                                    Issue date Sep 26, 1933
                                
 
                        
                                                                
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                                    B60 - VEHICLES IN GENERAL
                                 
                        
                 
             
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                        1927907
                    
                                            
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                                    Patent number 1,927,907
                                
 
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                                    Issue date Sep 26, 1933
                                
 
                        
                                                                
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                                    B60 - VEHICLES IN GENERAL
                                 
                        
                 
             
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                        1925741
                    
                                            
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                                    Patent number 1,925,741
                                
 
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                                    Issue date Sep 5, 1933
                                
 
                        
                                                                
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                                    B60 - VEHICLES IN GENERAL
                                 
                        
                 
             
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                        1906097
                    
                                            
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                                    Patent number 1,906,097
                                
 
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                                    Issue date Apr 25, 1933
                                
 
                        
                                                                
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                                    B60 - VEHICLES IN GENERAL