Assignee
SHEPARD JR FRANCIS H
4 granted patents·80 citations·filing 1982–1986
Top patents by PatentIndex Score
4 records- 0175US4509004AApparatus for variable speed drive of an induction motor from a fixed frequency AC sourceSHEPARD JR FRANCIS H·Filed 1982·Granted Apr 2, 1985·27 cites·13 claims
- 0270US4779034AForced commutation for variable speed motorSHEPARD JR FRANCIS H·Filed 1986·Granted Oct 18, 1988·28 cites·10 claims
- 0365US4600872AApparatus for variable speed drive of an induction motor from a fixed frequency AC sourceSHEPARD JR FRANCIS H·Filed 1985·Granted Jul 15, 1986·21 cites·3 claims
- 0432US4658343AFluorescent lamp driverSHEPARD JR FRANCIS H·Filed 1986·Granted Apr 14, 1987·4 cites·8 claims
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