IP Library › Granted Patent US 4,550,226
Granted Patent Utility
US 4,550,226 · App. 06/648,098

Subscriber's telephone circuit arranged to present constant impedance to a telephone line

Inventor: Albert G. Teater
Patented Case View Patent ↗
Granted: Oct 29, 1985 Filed: Sep 7, 1984
Inventor
Albert G. Teater
Assignee (at issue)
GTE Communication Systems Corporation

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Quick Facts
Patent No.
US 4,550,226
App. No.
06/648,098
Filed
1984-09-07
Granted
1985-10-29
Kind
A