Michael J. Carpenter

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Rochester, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Caller ID callback authenticationi for voice over internet protocol...
- Patent number 9,077,566
- Issue date Jul 7, 2015
- International Business Machines Corporation
- Nicholas F. Campion
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voice-over internet protocol (VoIP) scrambling mechanism
- Patent number 9,014,369
- Issue date Apr 21, 2015
- International Business Machines Corporation
- Michael J. Carpenter
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
CALLER ID CALLBACK AUTHENTICATIONI FOR VOICE OVER INTERNET PROTOCOL...
- Publication number 20110211572
- Publication date Sep 1, 2011
- International Business Machines Corporation
- Nicholas F. Campion
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
VOICE-OVER INTERNET PROTOCOL (VOIP) SCRAMBLING MECHANISM
- Publication number 20110194692
- Publication date Aug 11, 2011
- International Business Machines Corporation
- Michael J. Carpenter
- H04 - ELECTRIC COMMUNICATION TECHNIQUE