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Richard H. Hemmeter
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Naperville, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Communication device that provides enhanced services
Patent number
7,050,553
Issue date
May 23, 2006
Lucent Technologies Inc.
Shye-Bin S. Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Controlling cooling air intake for air cooled equipment
Patent number
7,003,377
Issue date
Feb 21, 2006
Lucent Technologies Inc.
Shye-Bin S. Chang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Automation of telephone operator assistance calls
Patent number
5,185,781
Issue date
Feb 9, 1993
AT&T Bell Laboratories
Douglas C. Dowden
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Automation of telephone operator assistance calls
Patent number
5,181,237
Issue date
Jan 19, 1993
AT&T Bell Laboratories
Douglas C. Dowden
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Automation of telephone operator assistance calls
Patent number
5,163,083
Issue date
Nov 10, 1992
AT&T Bell Laboratories
Douglas C. Dowden
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
More efficient call handling for operator assistance calls
Patent number
4,899,375
Issue date
Feb 6, 1990
American Telephone and Telegraph Company, AT&T Bell Laboratories
Thomas M. Bauer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for sharing operators among assistance systems
Patent number
4,620,066
Issue date
Oct 28, 1986
AT&T Bell Laboratories
William J. Bushnell
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Controlling cooling air intake for air cooled equipment
Publication number
20050128703
Publication date
Jun 16, 2005
Shye-Bin S. Chang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Communication device that provides enhanced services
Publication number
20050111638
Publication date
May 26, 2005
Shye-Bin S. Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Emergency notification systems
Publication number
20050013418
Publication date
Jan 20, 2005
Shye-Bin Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE