Barry H. Bielsker

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Vienna, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Automatic echo cancellation for an integrated services digital netw...
- Patent number 6,430,162
- Issue date Aug 6, 2002
- Tellabs Operations, Inc.
- Charles A. Reese
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic echo cancellation for an integrated services digital netw...
- Patent number 6,134,224
- Issue date Oct 17, 2000
- Tellabs Operations, Inc.
- Charles Reese
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Bi-directional asynchronous telecommunication audio signal processing
- Patent number 5,784,361
- Issue date Jul 21, 1998
- Coherent Communications Systems Corp.
- Barry H. Bielsker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic echo cancellation for an integrated services digital netw...
- Patent number 5,631,958
- Issue date May 20, 1997
- Coherent Communications Systems Corp.
- Charles Reese
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Two-tiered communication security employing asymmetric session keys
- Patent number 4,503,287
- Issue date Mar 5, 1985
- Analytics, Inc.
- C. Carson Morris
- H04 - ELECTRIC COMMUNICATION TECHNIQUE