Henri Johnson

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Winsemere, FL, US

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Patents Grantslast 30 patents

Information Patent Grant
Methods and processes for detecting a mark on a playing surface and...
- Patent number 8,189,857
- Issue date May 29, 2012
- EDH Holding (Pty) Ltd
- Henri Johnson
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
METHODS AND PROCESSES FOR DETECTING A MARK ON A PLAYING SURFACE AND...
- Publication number 20090067670
- Publication date Mar 12, 2009
- EDH SA (PTY) LTD.
- Henri Johnson
- G06 - COMPUTING CALCULATING COUNTING