DG

Donald E. Graham

General Motors: 11 patents #1,393 of 18,328Top 8%
GE: 3 patents #10,354 of 36,430Top 30%
CA Carboloy: 1 patents #6 of 21Top 30%
DG Dayton-Phoenix Group: 1 patents #12 of 18Top 70%
SP Sperry: 1 patents #355 of 841Top 45%
Overall (All Time): #280,392 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6109532 Locomotive cab heating system Curt E. Schindler, Marc A. Richard 2000-08-29
4987351 Load-based control of an AC motor Robert J. Disser, Jeff A. Foust, Richard N. Lehnhoff, Bruce Heaston 1991-01-22
4784923 Hard metal alloy with surface region enriched with tantalum, niobium, vanadium or combinations thereof and methods of making the same 1988-11-15
4768716 Vehicle speed sensitive windshield washer control Harry C. Buchanan, Jr., Susan L. Via 1988-09-06
4733101 Vehicle power antenna control with inhibit during cranking Richard E. Wainwright, Jeff A. Foust, Gary R. Denton 1988-03-22
4730152 Vehicle power antenna control with drive stress limiting Jeff A. Foust, Richard E. Wainwright, Gary R. Denton 1988-03-08
4665488 Synchronizing wiper control James J. Kowalik, Alexander Kade 1987-05-12
4567412 Automatic wiper actuator for a vehicle window 1986-01-28
4492904 Windshield wiper system with touch control 1985-01-08
4442169 Multiple coated cutting tool and method for producing same 1984-04-10
4436775 Hard metal body and method of making same 1984-03-13
4431954 Motor vehicle windshield wiper apparatus with storm pattern Keith H. Carpenter, James J. Kowalik 1984-02-14
4398704 Vehicle pneumatic suspension system with dead band adjustment Harry C. Buchanan, Jr., Keith R. Cook, George T. Claude 1983-08-16
4382282 Trim control system for reduced drag Raymond A. Nelson, Edmond E. Olive 1983-05-03
4355270 Motor reversing circuit for vehicle windshield wiper Keith R. Cook, John E. Pozenel 1982-10-19
4343865 Hard metal body and method of making same 1982-08-10
4288730 Proportional and integral solenoid armature positioning control system 1981-09-08