IP Library Granted Patent US 4,613,989
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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 4,613,989
App. No.
06/656,026
Filed
1984-09-28
Granted
1986-09-23
Kind
A