Granted Patent
Utility
US 4,780,685 · App. 07/027,927
Composite power amplifier with redundancy
Inventor:
Donald A. Ferguson
Patented Case
View Patent ↗
Granted: Oct 25, 1988
Filed: Mar 19, 1987
Inventor
Donald A. Ferguson
Assignee (at issue)
General Electric 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.