Granted Patent
Utility
US 4,755,032 · App. 06/900,641
Masking of light valve spill light
Inventor:
Thomas T. True
Patented Case
View Patent ↗
Granted: Jul 5, 1988
Filed: Aug 26, 1986
Inventor
Thomas T. True
Assignee (at issue)
General Electric 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.