IP Library › Granted Patent US 4,723,273
Granted Patent Utility
US 4,723,273 · App. 06/779,863

Discretionary call forwarding

Inventors: Michael E. Diesel, Louis Michael Taff
Patented Case View Patent ↗
Granted: Feb 2, 1988 Filed: Sep 25, 1985
Inventors
Michael E. Diesel
Louis Michael Taff
Assignee (at issue)
American Telephone and Telegraph Company, AT&T Bell Laboratories

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Quick Facts
Patent No.
US 4,723,273
App. No.
06/779,863
Filed
1985-09-25
Granted
1988-02-02
Kind
A