Inventor

BENNEFELD DAVID H

4 patents

⚠️ This page may combine multiple inventors who share the name “BENNEFELD DAVID H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

INTROL CORP

2 patents

US4131841ADec 26, 1978

Battery charger with automatic change from current to voltage mode control

INTROL CORP23 citations77

US4019111AApr 19, 1977

Battery charger with automatic change from current to voltage mode control

INTROL CORP16 citations69

LASERMASTER CORP

1 patent

US5608442AMar 4, 1997

Heating control for thermal printers

LASERMASTER CORP26 citations88

COLORSPAN CORP

1 patent

US5969729AOct 19, 1999

Ink jet printer with artifact-reducing drive circuit

COLORSPAN CORP12 citations71