IP Library › Granted Patent US 4,436,958
Granted Patent Utility
US 4,436,958 · App. 06/393,992

System using the telephone network to control locks at a number of remote locations

Inventors: Robert C. Hansen, Paul Novorolsky
Patented Case View Patent ↗
Granted: Mar 13, 1984 Filed: Jun 30, 1982
Inventors
Robert C. Hansen
Paul Novorolsky
Assignee (at issue)
Western Electric Company, Inc.

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Quick Facts
Patent No.
US 4,436,958
App. No.
06/393,992
Filed
1982-06-30
Granted
1984-03-13
Kind
A