Granted Patent
Utility
US 4,769,531 · App. 06/804,710
Direction finder system with inclined detectors
Inventor:
Fritz J. Malek
Patented Case
View Patent ↗
Granted: Sep 6, 1988
Filed: Dec 5, 1985
Inventor
Fritz J. Malek
Assignee (at issue)
Santa Barbara Research Center
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.