Granted Patent
Utility
US 4,843,331 · App. 07/090,821
Coherent digital signal blanking, biphase modulation and frequency doubling circuit and methodology
Inventor:
Steve S. Yang
Patented Case
View Patent ↗
Granted: Jun 27, 1989
Filed: Aug 28, 1987
Inventor
Steve S. Yang
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.