Granted Patent
Utility
US 4,297,393 · App. 06/125,639
Method of applying thin metal deposits to a substrate
Inventors:
Richard Denning, Mark A. Spak, Barry Polhemus
Patented Case
View Patent ↗
Granted: Oct 27, 1981
Filed: Feb 28, 1980
Inventors
Richard Denning
Mark A. Spak
Barry Polhemus
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.