Granted Patent
Utility
US 4,762,399 · App. 06/820,847
Voltage-biased liquid crystal optical power limiter
Inventor:
Shin-Tson Wu
Patented Case
View Patent ↗
Granted: Aug 9, 1988
Filed: Jan 21, 1986
Inventor
Shin-Tson Wu
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.