Granted Patent
Utility
US 4,367,475 · App. 06/089,292
Linearly polarized r.f. radiating slot
Inventor:
Frank J. Schiavone
Patented Case
View Patent ↗
Granted: Jan 4, 1983
Filed: Oct 30, 1979
Inventor
Frank J. Schiavone
Assignee (at issue)
BALL 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.