Inventor · disambiguated record
David A. Hagstrom
Also filed as: HAGSTROM DAVID · HAGSTROM DAVID A
3 granted patents·315 citations·filing 1986–1990
79Inventor score
Technology areasB63B
Top patents by PatentIndex Score
3 records- 0193US5113780AAutomatic boat trim tab controlBENNETT MARINE INC·Filed 1990·Granted May 19, 1992·83 cites·9 claims
- 0292US5385110ABoat trim control and monitor systemBENNETT MARINE INC OF DEERFIEL·Filed 1990·Granted Jan 31, 1995·185 cites·53 claims
- 0388US4742794ATrim tab indicator systemBENNETT MARINE INC·Filed 1986·Granted May 10, 1988·47 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →