Robert E. Kralik

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Hoffman Estates, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Video communication system
- Patent number 7,312,811
- Issue date Dec 25, 2007
- NITEK International, LLC
- James P. Hertrich
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Video communication system
- Publication number 20060103726
- Publication date May 18, 2006
- James P. Hertrich
- H04 - ELECTRIC COMMUNICATION TECHNIQUE