Inventor · disambiguated record
Donald Preston
Also filed as: PRESTON DONALD · PRESTON DONALD G
3 granted patents·61 citations·filing 1981–1989
72Inventor score
Top patents by PatentIndex Score
3 records- 0178US4986777AMarine engine oil drainage devicePRESTON DONALD G·Filed 1989·Granted Jan 22, 1991·29 cites·19 claims
- 0266US4715395AFluid flow regulatorUNITED TECHNOLOGIES CORP·Filed 1986·Granted Dec 29, 1987·28 cites·4 claims
- 0324US4357859APressure sensorUNITED TECHNOLOGIES CORP·Filed 1981·Granted Nov 9, 1982·4 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →