IP Library Granted Patent US 4,629,832
Granted Patent Utility
US 4,629,832 · App. 06/649,118

Communication system administration method and circuitry

Inventors: Robert A. Carson, Mary S. Petrick, Lee A. Vallone, John D. Walker
Patented Case View Patent ↗
Granted: Dec 16, 1986 Filed: Sep 10, 1984
Inventors
Robert A. Carson
Mary S. Petrick
Lee A. Vallone
John D. Walker
Assignee (at issue)
AT&T Information Systems Inc.

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Quick Facts
Patent No.
US 4,629,832
App. No.
06/649,118
Filed
1984-09-10
Granted
1986-12-16
Kind
A