Granted Patent
Utility
US 4,192,983 · App. 05/902,069
Methods of hard facing
Inventor:
Alfred J. Paoletti
Patented Case
View Patent ↗
Granted: Mar 11, 1980
Filed: May 2, 1978
Inventor
Alfred J. Paoletti
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.