Inventor · disambiguated record
Robert Frank Stephenson
Also filed as: STEPHENSON ROBERT F · STEPHENSON ROBERT FRANK
3 granted patents·50 citations·filing 1975–1982
71Inventor score
Technology areasH01M
Files withMOTOROLA INC3
Top patents by PatentIndex Score
3 records- 0178US3994749AVent valve for nickel-cadmium energy cellsMOTOROLA INC·Filed 1975·Granted Nov 30, 1976·37 cites·9 claims
- 0239US4414303ACadmium negative electrodeMOTOROLA INC·Filed 1982·Granted Nov 8, 1983·8 cites·6 claims
- 0332US3986893AMethod for making nickel and cadmium electrodes for batteriesMOTOROLA INC·Filed 1975·Granted Oct 19, 1976·5 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →