Individual holder
FEIKEMA ROGER H
4 granted patents·105 citations·filing 1978–1989
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0187US4432561ATricycle recumbentFEIKEMA ROGER H·Filed 1982·Granted Feb 21, 1984·70 cites·7 claims
- 0251US4203612AVelocipede having separable frame partsFEIKEMA ROGER H·Filed 1978·Granted May 20, 1980·12 cites·3 claims
- 0349US4966381AAdult tricycleFEIKEMA ROGER H·Filed 1989·Granted Oct 30, 1990·21 cites·2 claims
- 0426US4532998ALawn edger deviceFEIKEMA ROGER H·Filed 1983·Granted Aug 6, 1985·2 cites·19 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →