Granted Patent
Utility
US 4,446,196 · App. 06/393,227
Hard facing composition for iron base alloy substrate using VC, W, Mo, Mn, Ni and Cu and product
Inventor:
Harry J. Brown
Patented Case
View Patent ↗
Granted: May 1, 1984
Filed: Jun 28, 1982
Inventor
Harry J. Brown
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.