Inventor · disambiguated record
David H. Simmons
Also filed as: SIMMONS DAVID H · SIMMONS DAVID HARRY
5 granted patents·139 citations·filing 1976–1979
83Inventor score
Technology areasH02M
Files withLITTON SYSTEMS INC5
Top patents by PatentIndex Score
5 records- 0186US4017784ADC to DC converterLITTON SYSTEMS INC·Filed 1976·Granted Apr 12, 1977·56 cites·5 claims
- 0279US4263642ADC to DC converterLITTON SYSTEMS INC·Filed 1979·Granted Apr 21, 1981·27 cites·4 claims
- 0376US4155113AProtective circuit for transistorized inverter-rectifier apparatusLITTON SYSTEMS INC·Filed 1977·Granted May 15, 1979·23 cites·13 claims
- 0474US4158881ADC to DC converterLITTON SYSTEMS INC·Filed 1978·Granted Jun 19, 1979·23 cites·12 claims
- 0556US4264949ADC to DC power supplyLITTON SYSTEMS INC·Filed 1979·Granted Apr 28, 1981·10 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when David H. Simmons files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →