Inventor · disambiguated record
Robert A. Willis
Also filed as: WILLIS ROBERT · WILLIS ROBERT A · WILLIS ROBERT ANTHONY
4 granted patents·49 citations·filing 1977–2006
74Inventor score
Top patents by PatentIndex Score
4 records- 0168US4094444ASeed metering device having high friction material on rotating wheelSTANHAY ASHFORD LTD·Filed 1977·Granted Jun 13, 1978·26 cites·8 claims
- 0254US4135457ASeed drilling unitsHESTAIR STANHAY LTD·Filed 1977·Granted Jan 23, 1979·18 cites·6 claims
- 0328USD583482SBuildingSTARWOOD HOTELS & RESORTS WORL·Filed 2006·Granted Dec 23, 2008·5 cites·1 claims
- 0420US4493758AAnode structure for a plating cellOMI INT CORP·Filed 1983·Granted Jan 15, 1985·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →