Granted Patent
Utility
US 5,377,232 · App. 07/818,693
Frequency synchronized bidirectional radio system
Inventors:
Mircho A. Davidov, Forrest F. Fulton
Patented Case
View Patent ↗
Granted: Dec 27, 1994
Filed: Jan 9, 1992
Inventors
Mircho A. Davidov
Forrest F. Fulton
Assignee (at issue)
Cellnet Data Systems, 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.