Individual holder
SPURGEON RICHARD M
US·2 granted patents·2 pending applications·3 citations·filing 2007–2015
Individually held — no corporate assignee on record.
Technology mixA63F4
Top patents by PatentIndex Score
4 records- 0154US9643079B2Modified chess game with additional game piecesSPURGEON RICHARD M·Filed 2013·Granted May 9, 2017·2 cites·20 claims
- 0247US10632365B2Modified chess game with additional game piecesSPURGEON RICHARD M·Filed 2015·Granted Apr 28, 2020·1 cites·21 claims
- 0341US2010327528A1Modified chess gameSPURGEON RICHARD M·Filed 2007·Application pending·0 cites
- 0431US2012112411A1Modified chess gameSPURGEON RICHARD M·Filed 2011·Application pending·0 cites
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