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Charles W. Haggans
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Clarksville, MD, US
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Patents Grants
last 30 patents
Information
Patent Grant
Modular add/drop multiplexer including a wavelength selective switch
Patent number
7,697,843
Issue date
Apr 13, 2010
CIENA Corporation
Shan Zhong
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Modular add/drop multiplexer including a wavelength selective switch
Patent number
7,499,652
Issue date
Mar 3, 2009
CIENA Corporation
Shan Zhong
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and system for allocating bandwidth in an optical communicat...
Patent number
7,415,208
Issue date
Aug 19, 2008
CIENA Corporation
Charles Haggans
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical bypass upgrade configuration
Patent number
7,356,259
Issue date
Apr 8, 2008
CIENA Corporation
Charles Haggans
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Modular add/drop multiplexer including a wavelength selective switch
Patent number
7,308,197
Issue date
Dec 11, 2007
CIENA Corporation
Shan Zhong
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical communication system having dynamic gain equalization
Patent number
7,280,762
Issue date
Oct 9, 2007
CIENA Corporation
Charles Haggans
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical communication system having dynamic gain equalization
Patent number
7,092,148
Issue date
Aug 15, 2006
CIENA Corporation
Charles W. Haggans
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical communication system having dynamic gain equalization
Patent number
7,075,711
Issue date
Jul 11, 2006
CIENA Corporation
Charles W. Haggans
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical communication system having dynamic gain equalization
Patent number
6,967,768
Issue date
Nov 22, 2005
CIENA Corporation
Charles W. Haggans
Patents Applications
last 30 patents
Information
Patent Application
MODULAR ADD/DROP MULTIPLEXER INCLUDING A WAVELENGTH SELECTIVE SWITCH
Publication number
20090016717
Publication date
Jan 15, 2009
Shan Zhong
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MODULAR ADD/DROP MULTIPLEXER INCLUDING A WAVELENGTH SELECTIVE SWITCH
Publication number
20080002974
Publication date
Jan 3, 2008
Shan Zhong
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical communication system having dynamic gain equalization
Publication number
20050094252
Publication date
May 5, 2005
CIENA Corporation
Charles W. Haggans
H04 - ELECTRIC COMMUNICATION TECHNIQUE