Granted Patent
Utility
US 4,929,322 · App. 07/363,332
Apparatus and process for arc vapor depositing a coating in an evacuated chamber
Inventors:
Jiinjen Albert Sue, Harden H. Troue
Patented Case
View Patent ↗
Granted: May 29, 1990
Filed: Jun 8, 1989
Inventors
Jiinjen Albert Sue
Harden H. Troue
Assignee (at issue)
Union Carbide 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.