Granted Patent
Utility
US 4,773,736 · App. 06/795,138
Method of fabricating a liquid crystal optical cross point switching matrix device
Inventor:
Anthony P. Baker
Patented Case
View Patent ↗
Granted: Sep 27, 1988
Filed: Nov 5, 1985
Inventor
Anthony P. Baker
Assignee (at issue)
Alcatel USA
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.