Stephen Parker

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Devon, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Secure valet telephone system apparatus and method
- Patent number 8,103,261
- Issue date Jan 24, 2012
- Stephen Parker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Secure valet telephone system apparatus and method
- Publication number 20070123276
- Publication date May 31, 2007
- Stephen Parker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Secure valet telephone system
- Publication number 20050047575
- Publication date Mar 3, 2005
- Stephen Parker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE