Granted Patent
Utility
US 4,590,478 · App. 06/504,566
Multiple ridge antenna
Inventors:
Richard L. Powers, Kenneth D. Arkind, Richmond W. Price
Patented Case
View Patent ↗
Granted: May 20, 1986
Filed: Jun 15, 1983
Inventors
Richard L. Powers
Kenneth D. Arkind
Richmond W. Price
Assignee (at issue)
Sanders GmbH
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.