Granted Patent
Utility
US 4,603,082 · App. 06/728,588
Diamond-like film
Inventor:
Joseph Zelez
Patented Case
View Patent ↗
Granted: Jul 29, 1986
Filed: Apr 29, 1985
Inventor
Joseph Zelez
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.