Granted Patent
Utility
US 4,616,233 · App. 06/603,807
Twin zig zag log periodic antenna
Inventor:
Charles W. Westerman
Patented Case
View Patent ↗
Granted: Oct 7, 1986
Filed: Apr 25, 1984
Inventor
Charles W. Westerman
Assignee (at issue)
Ford Aerospace & Communications 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.