Inventor
HAMMEL RONALD O
6 patents
Patents
6 patentsUS4321523AMar 23, 1982
Battery charger and power supply circuitry
GATES RUBBER CO69 citations94
US4123598AOct 31, 1978
Battery pack and container
GATES RUBBER CO83 citations94
US4044268AAug 23, 1977
Multiple power source automatic switching circuitry
GATES RUBBER CO73 citations94
US4244011AJan 6, 1981
Rechargeable flashlight
GATES RUBBER CO63 citations88
US4031450AJun 21, 1977
Two step solid state battery charger
GATES RUBBER CO18 citations66
US3972739AAug 3, 1976
Rechargeable battery with current limiting means
GATES RUBBER CO2 citations60