IP Library › Granted Patent US 4,173,713
Granted Patent Utility
US 4,173,713 · App. 05/909,583

Continuously expandable switching network

Inventors: Kenneth F. Giesken, John M. Cotton
Patented Case View Patent ↗
Granted: Nov 6, 1979 Filed: May 25, 1978
Inventors
Kenneth F. Giesken
John M. Cotton
Assignee (at issue)
International Telephone and Telegraph Corporation

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Quick Facts
Patent No.
US 4,173,713
App. No.
05/909,583
Filed
1978-05-25
Granted
1979-11-06
Kind
A