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William P. Ernstrom
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Golden, CO, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method for local exchange subscriber line conferencing
Patent number
6,898,273
Issue date
May 24, 2005
Polycom, Inc.
William Paul Ernstrom
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Local exchange subscriber line conferencing method
Patent number
6,885,740
Issue date
Apr 26, 2005
Polycom, Inc.
William Paul Ernstrom
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Large-scale, fault-tolerant audio conferencing over a hybrid network
Patent number
6,879,565
Issue date
Apr 12, 2005
Polycom, Inc.
Warren E. Baxley
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Large-scale, fault-tolerant audio conferencing over a hybrid network
Patent number
6,657,975
Issue date
Dec 2, 2003
Voyant Technologies, Inc.
Warren E. Baxley
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Large-scale, fault-tolerant audio conferencing in a purely packet-s...
Patent number
6,646,997
Issue date
Nov 11, 2003
Voyant Technologies, Inc.
Warren E. Baxley
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
Large-scale, fault-tolerant audio conferencing in a purely packet-s...
Publication number
20040085914
Publication date
May 6, 2004
Warren E. Baxley
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Large-scale, fault-tolerant audio conferencing over a hybrid network
Publication number
20040085913
Publication date
May 6, 2004
Warren E. Baxley
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Local exchange subscriber line conferencing method
Publication number
20030026407
Publication date
Feb 6, 2003
William Paul Ernstrom
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Local exchange subscriber line conferencing
Publication number
20030026406
Publication date
Feb 6, 2003
William Paul Ernstrom
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Conferencing method
Publication number
20020091769
Publication date
Jul 11, 2002
Piotr Jozef Drozdzewicz
H04 - ELECTRIC COMMUNICATION TECHNIQUE