Mark Spychalla

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Madison, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for tracking the location of a pointing elemen...
- Patent number 8,665,375
- Issue date Mar 4, 2014
- WSI Corporation
- John S. Moore
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Apparatus And Method For Tracking The Location Of A Pointing Elemen...
- Publication number 20100321290
- Publication date Dec 23, 2010
- John S. Moore
- G06 - COMPUTING CALCULATING COUNTING