Richard M. Spurgeon

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Southfield, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Modified chess game with additional game pieces
- Patent number 10,632,365
- Issue date Apr 28, 2020
- Richard M. Spurgeon
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Modified chess game with additional game pieces
- Patent number 9,643,079
- Issue date May 9, 2017
- Richard M. Spurgeon
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
MODIFIED CHESS GAME
- Publication number 20150157946
- Publication date Jun 11, 2015
- Richard M. Spurgeon
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
MODIFIED CHESS GAME
- Publication number 20130252685
- Publication date Sep 26, 2013
- Richard M. Spurgeon
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
MODIFIED CHESS GAME
- Publication number 20120112411
- Publication date May 10, 2012
- Richard M. Spurgeon
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
MODIFIED CHESS GAME
- Publication number 20100327528
- Publication date Dec 30, 2010
- Richard M. Spurgeon
- A63 - SPORTS GAMES AMUSEMENTS