Individual holder
WETZEL DONALD C
US·4 granted patents·127 citations·filing 1978–1989
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0185US4213115AVisual warning signal for a locomotiveWETZEL DONALD C·Filed 1978·Granted Jul 15, 1980·26 cites·11 claims
- 0280US4949070ALocomotive lubrication level monitorWETZEL DONALD C·Filed 1989·Granted Aug 14, 1990·36 cites·12 claims
- 0378US4989084AAirport runway monitoring systemWETZEL DONALD C·Filed 1989·Granted Jan 29, 1991·38 cites·14 claims
- 0476US4577511AAir line pressure testerWETZEL DONALD C·Filed 1984·Granted Mar 25, 1986·27 cites·11 claims
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