Granted Patent
Utility
US 4,855,796 · App. 06/871,236
Beam lead mixer diode
Inventors:
Wah S. Wong, Cheng P. Wen, Jen K. Kung
Patented Case
View Patent ↗
Granted: Aug 8, 1989
Filed: Jun 6, 1986
Inventors
Wah S. Wong
Cheng P. Wen
Jen K. Kung
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.