Individual holder
GONGWER CALVIN A
US·5 granted patents·18 citations·filing 1976–2009
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
5 records- 0145US8092265B2Jet propulsion deviceGONGWER CALVIN A·Filed 2009·Granted Jan 10, 2012·0 cites·20 claims
- 0241US5176094AWatercraft propulsion systemGONGWER CALVIN A·Filed 1991·Granted Jan 5, 1993·5 cites·22 claims
- 0339US4055947AHydraulic thrusterGONGWER CALVIN A·Filed 1976·Granted Nov 1, 1977·6 cites·26 claims
- 0435US5127857AWatercraft propulsion systemGONGWER CALVIN A·Filed 1989·Granted Jul 7, 1992·3 cites·3 claims
- 0534US4887540AWatercraft propulsion systemGONGWER CALVIN A·Filed 1988·Granted Dec 19, 1989·4 cites·12 claims
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