Granted Patent
Utility
US 4,125,417 · App. 05/732,486
Method of salvaging and restoring useful properties to used and retired metal articles
Inventor:
Kenneth C. Antony
Patented Case
View Patent ↗
Granted: Nov 14, 1978
Filed: Oct 14, 1976
Inventor
Kenneth C. Antony
Assignee (at issue)
Cabot 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.