Assignee
KEYES JOHN H
3 granted patents·147 citations·filing 1977–1977
Top patents by PatentIndex Score
3 records- 0189US4131171ALow energy consumption vehicle propelled by thermal engineKEYES JOHN H·Filed 1977·Granted Dec 26, 1978·68 cites·22 claims
- 0287US4208921AFlywheel energy accumulatorKEYES JOHN H·Filed 1977·Granted Jun 24, 1980·45 cites·12 claims
- 0380US4163914AInfinitely variable ratio permanent magnet transmissionKEYES JOHN H·Filed 1977·Granted Aug 7, 1979·34 cites·10 claims
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