Granted Patent
Utility
US 4,356,490 · App. 04/407,626
Transmission frequency diversity radar
Inventors:
David William Bray, John David, Erman E. Ferris
Patented Case
View Patent ↗
Granted: Oct 26, 1982
Filed: Oct 27, 1964
Inventors
David William Bray
John David
Erman E. Ferris
Assignee (at issue)
General Electric Company
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.