Granted Patent
Utility
US 4,583,098 · App. 06/646,422
Circularly polarized antenna using axial slot and slanted parasitic radiators
Inventor:
Thomas V. Sikina
Patented Case
View Patent ↗
Granted: Apr 15, 1986
Filed: Aug 31, 1984
Inventor
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.