Philip J. Baun Jr.

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Andover, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Audio conferencing system
- Patent number 6,539,087
- Issue date Mar 25, 2003
- Spectel Operations, Limited
- Bruce E. Walsh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Audio-video conferencing system
- Patent number 5,841,763
- Issue date Nov 24, 1998
- MultiLink, Inc.
- Arthur P. Leondires
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for audio teleconferencing a plurality of phon...
- Patent number 5,495,522
- Issue date Feb 27, 1996
- MultiLink, Inc.
- Bruce S. Allen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
D-5 Channel bank control structure and controller
- Patent number 4,849,977
- Issue date Jul 18, 1989
- American Telephone and Telegraph Company AT&T Bell Laboratories
- Philip J. Baun
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Processing apparatus for data rate reduction
- Patent number 4,320,505
- Issue date Mar 16, 1982
- Bell Telephone Laboratories, Incorporated
- Philip J. Baun
- H04 - ELECTRIC COMMUNICATION TECHNIQUE