Granted Patent
Utility
US 4,590,480 · App. 06/646,111
Broadcast antenna which radiates horizontal polarization towards distant locations and circular polarization towards nearby locations
Inventors:
Nicholas Nikolayuk, Thomas V. Sikina
Patented Case
View Patent ↗
Granted: May 20, 1986
Filed: Aug 31, 1984
Inventors
Nicholas Nikolayuk
Thomas V. Sikina
Assignee (at issue)
RCA 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.