Granted Patent
Utility
US 4,689,806 · App. 06/549,696
Receiver mode control for acquiring and tracking a signal
Inventor:
U. A. von der Embse
Patented Case
View Patent ↗
Granted: Aug 25, 1987
Filed: Nov 7, 1983
Inventor
U. A. von der Embse
Assignee (at issue)
Hughes Aircraft Company
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.