Granted Patent
Utility
US 4,941,029 · App. 06/706,436
High resistance optical shield for visible sensors
Inventor:
Nathan Bluzer
Patented Case
View Patent ↗
Granted: Jul 10, 1990
Filed: Feb 27, 1985
Inventor
Nathan Bluzer
Assignee (at issue)
Westinghouse Electric Company LLC
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.