Inventor · disambiguated record
Donald F. Gray
Also filed as: GRAY DONALD F
8 granted patents·475 citations·filing 1991–2018
90Inventor score
Top patents by PatentIndex Score
8 records- 0189US5571997APressure sensitive pointing device for transmitting signals to a tabletKURTA CORP·Filed 1993·Granted Nov 5, 1996·192 cites·16 claims
- 0288US5218174ALow power cordless magnetic field digitizer with differential grid sensing and synchronous position demodulationKURTA CORP·Filed 1991·Granted Jun 8, 1993·104 cites·21 claims
- 0376US5445109ASelective bird feederFiled 1994·Granted Aug 29, 1995·45 cites·20 claims
- 0472US5225637APosition resolving systemKURTA CORP·Filed 1991·Granted Jul 6, 1993·59 cites·38 claims
- 0566US5954391AStable three legged folding chairFiled 1998·Granted Sep 21, 1999·40 cites·6 claims
- 0660US5332283AThree legged folding chairGRAY DONALD F·Filed 1992·Granted Jul 26, 1994·30 cites·20 claims
- 0738USD381542SFolding chair with three legsGRAY DONALD F·Filed 1996·Granted Jul 29, 1997·4 cites·1 claims
- 0833USD846060SFishing lureGRAY DONALD F·Filed 2018·Granted Apr 16, 2019·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →