Inventor · disambiguated record
David H. Bennefeld
Also filed as: BENNEFELD DAVID H
4 granted patents·77 citations·filing 1975–1995
79Inventor score
Top patents by PatentIndex Score
4 records- 0169US4131841ABattery charger with automatic change from current to voltage mode controlINTROL CORP·Filed 1976·Granted Dec 26, 1978·23 cites·7 claims
- 0266US5608442AHeating control for thermal printersLASERMASTER CORP·Filed 1994·Granted Mar 4, 1997·26 cites·32 claims
- 0359US4019111ABattery charger with automatic change from current to voltage mode controlINTROL CORP·Filed 1975·Granted Apr 19, 1977·16 cites·3 claims
- 0448US5969729AInk jet printer with artifact-reducing drive circuitCOLORSPAN CORP·Filed 1995·Granted Oct 19, 1999·12 cites·2 claims
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