Assignee
WILLINGHAM W PRESTON
US·3 granted patents·74 citations·filing 1986–2021
Top patents by PatentIndex Score
3 records- 0183US4709928ACircular game board foldable into small volumeWILLINGHAM W PRESTON·Filed 1986·Granted Dec 1, 1987·72 cites·18 claims
- 0278US11583115B2Micro-adjustment of cushionsWILLINGHAM W PRESTON·Filed 2021·Granted Feb 21, 2023·1 cites·20 claims
- 0369US11291319B2Micro-adjustment of cushionsWILLINGHAM W PRESTON·Filed 2020·Granted Apr 5, 2022·1 cites·6 claims
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