Granted Patent
Utility
US 4,498,193 · App. 06/509,397
Jammer transmitter
Inventor:
Christopher K. Richardson
Patented Case
View Patent ↗
Granted: Feb 5, 1985
Filed: Jun 30, 1983
Inventor
Christopher K. Richardson
Assignee (at issue)
Plessey Overseas Limited
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.