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                    David E. Johnston 
                        David E.
                        
                        Johnston
                
            
            
                    
                    - F - Mech Eng,Light,Heat,Weapons 
- 16 
- J 
                
            
            
                
            
            
            
            
                    
                    - Inventor 
                
            
            
                
            
            
            
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                Fluid sealing structure
            
            F - Mech Eng,Light,Heat,Weapons – 16 – J
            Patent
         
            
            
                
    
    
            
            
            
            
            
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                Method and apparatus for effecting telecommunications...
            
            H - Electricity – 04 – M
            Patent
         
            
            
                
    
    
            
            
            
            
            
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                Polytetrafluoroethylene and elastomer seal
            
            F - Mech Eng,Light,Heat,Weapons – 16 – J
            Patent
         
            
            
                
    
    
            
            
            
            
            
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                Radial seal
            
            F - Mech Eng,Light,Heat,Weapons – 16 – J
            Patent
         
            
            
                
    
    
            
            
            
            
            
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                Rotary fluid seals
            
            F - Mech Eng,Light,Heat,Weapons – 16 – J
            Patent
         
            
            
                
    
    
            
            
            
            
            
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                Profile ID: LFCA-PAI-P-501257
            
         
                        
 
                        
    
    
        
                
                
                
                
                
        
                     
                    
                    
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
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