Granted Patent
Utility
US 4,594,595 · App. 06/601,420
Circular log-periodic direction-finder array
Inventor:
Keith A. Struckman
Patented Case
View Patent ↗
Granted: Jun 10, 1986
Filed: Apr 18, 1984
Inventor
Keith A. Struckman
Assignee (at issue)
Sanders GmbH
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.