IP Library Granted Patent US 4,736,404
Granted Patent Utility
US 4,736,404 · App. 06/718,037

Security arrangement for cordless telephone system

Inventors: Ronald Edward Anglikowski, Nissin Habib, Arden B. Wright
Patented Case View Patent ↗
Granted: Apr 5, 1988 Filed: Mar 29, 1985
Inventors
Ronald Edward Anglikowski
Nissin Habib
Arden B. Wright
Assignee (at issue)
American Telephone and Telegraph Company, AT&T Technologies, Inc.

This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.

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Quick Facts
Patent No.
US 4,736,404
App. No.
06/718,037
Filed
1985-03-29
Granted
1988-04-05
Kind
A