IP Library › Granted Patent US 4,959,851
Granted Patent Utility
US 4,959,851 · App. 07/349,731

Dialing features for cellular telephone with standard telephone set

Inventors: Francis P. Tobolski, Jr., Robert F. D'Avello
Patented Case View Patent ↗
Granted: Sep 25, 1990 Filed: May 10, 1989
Inventors
Francis P. Tobolski, Jr.
Robert F. D'Avello
Assignee (at issue)
Motorola, 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 4,959,851
App. No.
07/349,731
Filed
1989-05-10
Granted
1990-09-25
Kind
A