Granted Patent
Utility
US 4,239,348 · App. 06/099,381
High resolution AC silicon MOS light-valve substrate
Inventors:
Jan Grinberg, Michael Waldner, Paul Q. Braatz, Alexander D. Jacobson
Patented Case
View Patent ↗
Granted: Dec 16, 1980
Filed: Nov 30, 1979
Inventors
Jan Grinberg
Michael Waldner
Paul Q. Braatz
Alexander D. Jacobson
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.