Granted Patent
Utility
US 4,744,640 · App. 06/770,560
PLZT multi-shutter color electrode pattern
Inventor:
James R. Phillips
Patented Case
View Patent ↗
Granted: May 17, 1988
Filed: Aug 29, 1985
Inventor
James R. Phillips
Assignee (at issue)
Motorola, Inc.
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.