Granted Patent
Utility
US 4,613,989 · App. 06/656,026
Police radar warning receiver
Inventors:
John R. Fende, Gregory R. Furnish, Richard L. Grimsley
Patented Case
View Patent ↗
Granted: Sep 23, 1986
Filed: Sep 28, 1984
Inventors
John R. Fende
Gregory R. Furnish
Richard L. Grimsley
Assignee (at issue)
Cincinnati Microwave, 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.