IP Library › Granted Patent US 5,355,222
Granted Patent Utility
US 5,355,222 · App. 07/884,076

Optical receiver for area location system

Inventors: Alan C. Heller, Christopher W. Fox, Philip Olivier
Patented Case View Patent ↗
Granted: Oct 11, 1994 Filed: May 15, 1992
Inventors
Alan C. Heller
Christopher W. Fox
Philip Olivier
Assignee (at issue)
Precision Tracking FM, 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 5,355,222
App. No.
07/884,076
Filed
1992-05-15
Granted
1994-10-11
Kind
A