Granted Patent
Utility
US 4,697,160 · App. 06/811,870
Hybrid power combiner and amplitude controller
Inventor:
Robert T. Clark
Patented Case
View Patent ↗
Granted: Sep 29, 1987
Filed: Dec 19, 1985
Inventor
Robert T. Clark
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.