Inventor · disambiguated record
Ronald O. Hammel
Also filed as: HAMMEL RONALD O
6 granted patents·308 citations·filing 1971–1979
87Inventor score
Files withGATES RUBBER CO6
Top patents by PatentIndex Score
6 records- 0193US4123598ABattery pack and containerGATES RUBBER CO·Filed 1978·Granted Oct 31, 1978·83 cites·15 claims
- 0292US4044268AMultiple power source automatic switching circuitryGATES RUBBER CO·Filed 1976·Granted Aug 23, 1977·73 cites·10 claims
- 0386US4244011ARechargeable flashlightGATES RUBBER CO·Filed 1979·Granted Jan 6, 1981·63 cites·21 claims
- 0485US4321523ABattery charger and power supply circuitryGATES RUBBER CO·Filed 1978·Granted Mar 23, 1982·69 cites·6 claims
- 0565US4031450ATwo step solid state battery chargerGATES RUBBER CO·Filed 1971·Granted Jun 21, 1977·18 cites·17 claims
- 0630US3972739ARechargeable battery with current limiting meansGATES RUBBER CO·Filed 1975·Granted Aug 3, 1976·2 cites·4 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →