Granted Patent
Utility
US 4,668,984 · App. 06/813,398
Optical pattern generation technique
Inventor:
Jerome P. Rosenfeld
Patented Case
View Patent ↗
Granted: May 26, 1987
Filed: Dec 24, 1985
Inventor
Jerome P. Rosenfeld
Assignee (at issue)
RCA Corporation
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.