Granted Patent
Utility
US 4,843,402 · App. 06/879,383
Azimuth array of rotory antennas with selectable lobe patterns
Inventor:
A. J. F. Clement
Patented Case
View Patent ↗
Granted: Jun 27, 1989
Filed: Jun 27, 1986
Inventor
A. J. F. Clement
Assignee (at issue)
Tri-Ex Tower Corporation
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.