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CPC
H04Q2213/13391
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Parent Industries
H
ELECTRICITY
H04
Electric communication
H04Q
SELECTING
H04Q2213/00
Indexing scheme relating to selecting arrangements in general and for multiplex systems
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H04Q2213/13391
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Patents Grants
last 30 patents
Information
Patent Grant
Communication device for providing information utilizing subscriber...
Patent number
6,928,072
Issue date
Aug 9, 2005
Yugen Kaisha LS Net
Akemi Sawada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and system of seizing communication channel enhancing usabil...
Patent number
6,674,763
Issue date
Jan 6, 2004
Fujitsu Limited
Seiji Tokunaga
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Flexible call routing system
Patent number
6,389,024
Issue date
May 14, 2002
Excel Switching Corporation
Rajat Ghai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents