Richard Lionel Harris

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Deer River, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Numerical game apparatus and method
- Patent number 8,757,621
- Issue date Jun 24, 2014
- Richard Lionel Harris
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Magic squares game
- Patent number 6,206,372
- Issue date Mar 27, 2001
- Richard Lionel Harris
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
NUMERICAL GAME DEVICE AND METHOD
- Publication number 20120025461
- Publication date Feb 2, 2012
- Richard Lionel Harris
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
NUMERICAL GAME APPARATUS AND METHOD
- Publication number 20100270740
- Publication date Oct 28, 2010
- Richard Lionel Harris
- A63 - SPORTS GAMES AMUSEMENTS