Granted Patent
Utility
US 4,743,911 · App. 06/835,675
Constant beamwidth antenna
Inventor:
Gary E. Evans
Patented Case
View Patent ↗
Granted: May 10, 1988
Filed: Mar 3, 1986
Inventor
Gary E. Evans
Assignee (at issue)
Westinghouse Electric Company LLC
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.