Marshall B. Garrison

Follow

Person

Derry, NH, US

People

Patents Grantslast 30 patents

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
Signal detection and discrimination using waveform peak factor
- Patent number 4,696,031
- Issue date Sep 22, 1987
- Wang Laboratories, Inc.
- Richard L. Freudberg
- H04 - ELECTRIC COMMUNICATION TECHNIQUE