4 Patents
n.d.no date or unknown
Automotive electronics test system
Borkowicz, Neil LMeir, David SEvans, John L and Johnson, Robert W (Inventors).
5438513
 
Pressure Transducer
Evans, John LMcKee, William DBetterton, Joseph TGlover, Alfred H and McKee, Thomas S (Inventors).
CA1312213
 
Radial air-core gauge
Markow, Paul ANolle, WilliamJenrath, Hugo AEvans, John LGlover, Alfred H and Betterton, Joseph T (Inventors).
5038099
 
Vehicle Automatic Door Lock System
Evans, John L (Inventor).
CA1282853