Granted Patent
Utility
US 5,055,810 · App. 07/576,140
Ultra-high speed light activated microwave switch/modulation using photoreactive effect
Inventors:
Michael de La Chapelle, Hui-Pin Hsu
Patented Case
View Patent ↗
Granted: Oct 8, 1991
Filed: Aug 29, 1990
Inventors
Michael de La Chapelle
Hui-Pin Hsu
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.