IP Library › Granted Patent US 4,530,089
Granted Patent Utility
US 4,530,089 · App. 06/517,289

Telecommunications digital switchblock utilizing control switch state maps

Inventors: John W. Ansell, Thomas S. Maddern, Alexander S. Philip
Patented Case View Patent ↗
Granted: Jul 16, 1985 Filed: Jul 26, 1983
Inventors
John W. Ansell
Thomas S. Maddern
Alexander S. Philip
Assignee (at issue)
The Plessey Company PLC

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Quick Facts
Patent No.
US 4,530,089
App. No.
06/517,289
Filed
1983-07-26
Granted
1985-07-16
Kind
A