Thomas J. Baumgartner

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St. Charles, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Multiple call control method in a multimedia conferencing system
- Patent number 5,195,086
- Issue date Mar 16, 1993
- AT&T Bell Laboratories
- Thomas J. Baumgartner
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transformation method for network conference connections
- Patent number 5,138,614
- Issue date Aug 11, 1992
- AT&T Bell Laboratories
- Thomas J. Baumgartner
- H04 - ELECTRIC COMMUNICATION TECHNIQUE