Granted Patent
Utility
US 4,451,508 · App. 06/393,226
Hard facing of metal substrates using material containing VC and improved flux compositions therefor
Inventor:
Harry J. Brown
Patented Case
View Patent ↗
Granted: May 29, 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.