Assignee
CAMPBELL JOHN M
4 granted patents·51 citations·filing 1975–1988
Top patents by PatentIndex Score
4 records- 0179USD322854SFinger tap releasable tourniquetCAMPBELL JOHN M·Filed 1988·Granted Dec 31, 1991·18 cites·1 claims
- 0265USD245635SCombined golf ball and model aircraft engine novelty deviceCAMPBELL JOHN M·Filed 1975·Granted Aug 30, 1977·8 cites·1 claims
- 0361USD312812SBattery cable connector clampCAMPBELL JOHN M·Filed 1988·Granted Dec 11, 1990·9 cites·1 claims
- 0444US4819956AConvertible sidecar/trailerCAMPBELL JOHN M·Filed 1987·Granted Apr 11, 1989·16 cites·6 claims
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