- 
                
                
            
 
            - 
                
                
                    
                        Safety edge switch
                    
                                            
                                - 
                                    Patent number 5,072,080
                                
 
                                - 
                                    Issue date Dec 10, 1991
                                
 
                        
                                            
                                - 
                                        
                                    Karlheinz  Beckhausen
                                 
                        
                                            
                                - 
                                        
                                    B60 - VEHICLES IN GENERAL
                                 
                        
                 
             
            - 
                
                
                    
                        Safety door edge
                    
                                            
                                - 
                                    Patent number 4,115,952
                                
 
                                - 
                                    Issue date Sep 26, 1978
                                
 
                        
                                            
                                - 
                                        
                                    American Can Company
                                 
                                - 
                                        
                                    Harlan S. French
                                 
                        
                                            
                                - 
                                        
                                    E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
                                 
                        
                 
             
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                        3867595
                    
                                            
                                - 
                                    Patent number 3,867,595
                                
 
                                - 
                                    Issue date Feb 18, 1975
                                
 
                        
                                                                
                                - 
                                        
                                    E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
                                 
                        
                 
             
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                        3838236
                    
                                            
                                - 
                                    Patent number 3,838,236
                                
 
                                - 
                                    Issue date Sep 24, 1974
                                
 
                        
                                                                
                                - 
                                        
                                    H01 - BASIC ELECTRIC ELEMENTS
                                 
                        
                 
             
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                        3818162
                    
                                            
                                - 
                                    Patent number 3,818,162
                                
 
                                - 
                                    Issue date Jun 18, 1974
                                
 
                        
                                                                
                                - 
                                        
                                    H01 - BASIC ELECTRIC ELEMENTS
                                 
                        
                 
             
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                        3732384
                    
                                            
                                - 
                                    Patent number 3,732,384
                                
 
                                - 
                                    Issue date May 8, 1973
                                
 
                        
                                                                
                                - 
                                        
                                    E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
                                 
                        
                 
             
            - 
                
                
                    
                        3622723
                    
                                            
                                - 
                                    Patent number 3,622,723
                                
 
                                - 
                                    Issue date Nov 23, 1971
                                
 
                        
                                                                
                                - 
                                        
                                    E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
                                 
                        
                 
             
            - 
                
                
                    
                        3485977
                    
                                            
                                - 
                                    Patent number 3,485,977
                                
 
                                - 
                                    Issue date Dec 23, 1969
                                
 
                        
                                                                
                                - 
                                        
                                    H01 - BASIC ELECTRIC ELEMENTS
                                 
                        
                 
             
            - 
                
                
                    
                        3478311
                    
                                            
                                - 
                                    Patent number 3,478,311
                                
 
                                - 
                                    Issue date Nov 11, 1969
                                
 
                        
                                                                
                                - 
                                        
                                    G08 - SIGNALLING