Granted Patent
Utility
US 4,592,882 · App. 06/600,899
Method of making aluminum-resistant titanium diboride articles
Inventor:
Lien N. Parrish
Patented Case
View Patent ↗
Granted: Jun 3, 1986
Filed: Apr 16, 1984
Inventor
Lien N. Parrish
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.