Granted Patent
Utility
US 4,772,820 · App. 06/905,570
Monolithic flat panel display apparatus
Inventors:
Frank J. DiSanto, Denis A. Krusos
Patented Case
View Patent ↗
Granted: Sep 20, 1988
Filed: Sep 11, 1986
Inventors
Frank J. DiSanto
Denis A. Krusos
Assignee (at issue)
Copytele, 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.