IP Library › Granted Patent US 4,400,588
Granted Patent Utility
US 4,400,588 · App. 06/273,700

Electronic voice network for a telephone subscriber's substation

Inventors: William Stobbs, Charles F. Hines, Rickey W. Light
Patented Case View Patent ↗
Granted: Aug 23, 1983 Filed: Jun 15, 1981
Inventors
William Stobbs
Charles F. Hines
Rickey W. Light
Assignees (at issue)
GTE Automatic Electric Labs Inc.
GTE Labs Inc.

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Quick Facts
Patent No.
US 4,400,588
App. No.
06/273,700
Filed
1981-06-15
Granted
1983-08-23
Kind
A