Granted Patent
Utility
US 5,432,461 · App. 07/722,963
Method of testing active matrix liquid crystal display substrates
Inventor:
Francois J. Henley
Patented Case
View Patent ↗
Granted: Jul 11, 1995
Filed: Jun 28, 1991
Inventor
Francois J. Henley
Assignee (at issue)
PhotoDynamic 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.