Inventor · disambiguated record
W. Preston Willingham
Also filed as: WILLINGHAM W PRESTON
5 granted patents·246 citations·filing 1986–2020
83Inventor score
Top patents by PatentIndex Score
5 records- 0187US5111366ACap having illuminated indiciaGIFT ASYLUM INC·Filed 1991·Granted May 5, 1992·118 cites·12 claims
- 0283US4709928ACircular game board foldable into small volumeWILLINGHAM W PRESTON·Filed 1986·Granted Dec 1, 1987·72 cites·18 claims
- 0372US11033126B1Micro-adjustable covers for cushionsSLEEP POWER TECH LLC·Filed 2020·Granted Jun 15, 2021·2 cites·10 claims
- 0469US11291319B2Micro-adjustment of cushionsWILLINGHAM W PRESTON·Filed 2020·Granted Apr 5, 2022·1 cites·6 claims
- 0569US5887951AOrthopedic seating orthosis for correcting posture and restricting gluteal spreadingFiled 1996·Granted Mar 30, 1999·53 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →