IP Library › Granted Patent US 5,249,222
Granted Patent Utility
US 5,249,222 · App. 07/878,526

Host remote signalling in telephone systems

Inventor: Deborah L. Pinard
Patented Case View Patent ↗
Granted: Sep 28, 1993 Filed: May 5, 1992
Inventor
Deborah L. Pinard
Assignee (at issue)
Mitel Corporation

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Quick Facts
Patent No.
US 5,249,222
App. No.
07/878,526
Filed
1992-05-05
Granted
1993-09-28
Kind
A