Granted Patent
Utility
US 6,007,922 · App. 06/651,789
Chromium boride coatings
Inventors:
Jiinjen Albert Sue, Robert C. Tucker, Jr., Joseph Patrick Nemeth
Patented Case
View Patent ↗
Granted: Dec 28, 1999
Filed: Sep 18, 1984
Inventors
Jiinjen Albert Sue
Robert C. Tucker, Jr.
Joseph Patrick Nemeth
Assignee (at issue)
Union Carbide Coatings Service 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.