Granted Patent
Utility
US 5,481,223 · App. 08/305,245
Bi-directional spatial power combiner grid amplifier
Inventor:
Sam H. Wong
Patented Case
View Patent ↗
Granted: Jan 2, 1996
Filed: Sep 13, 1994
Inventor
Sam H. Wong
Assignee (at issue)
Rockwell International Corporation
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.