Marc S. Baum

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Chicago, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Network access method and network access server therefor
- Patent number 6,636,519
- Issue date Oct 21, 2003
- UT Starcom, Inc.
- Dale M. Walsh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital network access server
- Patent number 5,912,888
- Issue date Jun 15, 1999
- U.S. Robotics Access Corp.
- Dale M. Walsh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone call routing and switching techniques for data communicat...
- Patent number 5,841,842
- Issue date Nov 24, 1998
- U.S. Robotics Access Corp.
- Marc S. Baum
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone call routing and switching techniques for data communicat...
- Patent number 5,761,281
- Issue date Jun 2, 1998
- 3COM Corporation
- Marc S. Baum
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone call routing and switching techniques for data communicat...
- Patent number 5,577,105
- Issue date Nov 19, 1996
- U.S. Robotics, Inc.
- Marc S. Baum
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Modem input/output signal processing techniques
- Patent number 5,528,595
- Issue date Jun 18, 1996
- U.S. Robotics, Inc.
- Dale M. Walsh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE