Inventor · disambiguated record
Donald K. Stephenson
Also filed as: STEPHENSON DONALD K
4 granted patents·47 citations·filing 1975–1979
76Inventor score
Top patents by PatentIndex Score
4 records- 0172US4323356AMarine transmission control with vibration isolation systemOUTBOARD MARINE CORP·Filed 1979·Granted Apr 6, 1982·22 cites·7 claims
- 0250US4022291AExhaust muffler having an attenuater can assemblyOUTBOARD MARINE CORP·Filed 1975·Granted May 10, 1977·11 cites·5 claims
- 0339US4218919AApparatus for measuring elevationSTEPHENSON DONALD K·Filed 1978·Granted Aug 26, 1980·9 cites·16 claims
- 0433US4194485AThrottling passageway to decrease coast-down time of lawn mower enginesOUTBOARD MARINE CORP·Filed 1978·Granted Mar 25, 1980·5 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →