Charles E. Copeland

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Vista, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for CNG detection with call waiting
- Patent number 7,184,537
- Issue date Feb 27, 2007
- Command Communications, Inc.
- William C. McClure
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Internet priority call device
- Patent number 6,377,668
- Issue date Apr 23, 2002
- Command Communications, Inc.
- Gary S. Smock
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone call screening device with power and telephone line failu...
- Patent number 6,233,330
- Issue date May 15, 2001
- Command Communications, Inc.
- William C. McClure
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Two line voice/data switch
- Patent number 6,195,423
- Issue date Feb 27, 2001
- Command Communications, Inc.
- Gary S. Smock
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Apparatus and method for CNG detection with call waiting
- Publication number 20050271197
- Publication date Dec 8, 2005
- William C. McClure
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
INTERNET PRIORITY CALL DEVICE
- Publication number 20010040948
- Publication date Nov 15, 2001
- WILLIAM C. MCCLURE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE