Assignee
COPELAND SIROIS ENTERPRISES IN
US·3 granted patents·28 citations·filing 1987–1988
Top patents by PatentIndex Score
3 records- 0160US4854903AParallel thrust propulsion systemCOPELAND SIROIS ENTERPRISES IN·Filed 1987·Granted Aug 8, 1989·14 cites·22 claims
- 0243US4875430ABoat building method using modular propulsion systemCOPELAND SIROIS ENTERPRISES IN·Filed 1988·Granted Oct 24, 1989·7 cites·16 claims
- 0342US4832638AIntegral propulsion and steering unitCOPELAND SIROIS ENTERPRISES IN·Filed 1988·Granted May 23, 1989·7 cites·10 claims
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