Robert A. Trygar

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Winfield, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Extending originating capabilities of a subscriber to devices in an...
- Patent number 8,681,960
- Issue date Mar 25, 2014
- 8631654 Canada Inc.
- Carl W. Amport
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Switching system control arrangements
- Patent number 4,736,364
- Issue date Apr 5, 1988
- American Telephone and Telegraph Company, AT&T Bell Laboratories
- Richard J. Basso
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Extending originating capabilities of a subscriber to devices in an...
- Publication number 20090060150
- Publication date Mar 5, 2009
- Carl W. Amport
- H04 - ELECTRIC COMMUNICATION TECHNIQUE