Granted Patent
Utility
US 4,584,452 · App. 06/548,549
Remotely actuated metal disintegration machining apparatus
Inventor:
Paolo R. Zafred
Patented Case
View Patent ↗
Granted: Apr 22, 1986
Filed: Nov 3, 1983
Inventor
Paolo R. Zafred
Assignee (at issue)
Westinghouse Electric Company 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.