Inventor · disambiguated record
Donald R. Ritzenthaler
Also filed as: RITZENTHALER DONALD R
4 granted patents·57 citations·filing 1977–1981
77Inventor score
Technology areasH01H
Top patents by PatentIndex Score
4 records- 0175US4220937AElectromechanical relay with manual override controlGULF & WESTERN MFG CO·Filed 1978·Granted Sep 2, 1980·18 cites·13 claims
- 0271US4378543ALatch relay with manual reset and testGULF & WESTERN MFG CO·Filed 1981·Granted Mar 29, 1983·17 cites·19 claims
- 0365US4097832ARelay with manually releasable latchGULF & WESTERN INDUSTRIES·Filed 1977·Granted Jun 27, 1978·16 cites·11 claims
- 0442US4381431AHand set timerGULF & WESTERN MFG CO·Filed 1981·Granted Apr 26, 1983·6 cites·21 claims
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