Granted Patent
Utility
US 4,374,075 · App. 06/274,604
Method for the plasma-arc production of metal powder
Inventors:
Charles F. Yolton, Thomas S. Cloran, Thomas W. Sloan
Patented Case
View Patent ↗
Granted: Feb 15, 1983
Filed: Jun 17, 1981
Inventors
Charles F. Yolton
Thomas S. Cloran
Thomas W. Sloan
Assignee (at issue)
CRUCIBLE, LLC
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.