Granted Patent
Utility
US 5,679,058 · App. 08/478,933
Abrasive jet cutting medium
Inventor:
Lawrence J. Rhoades
Patented Case
View Patent ↗
Granted: Oct 21, 1997
Filed: Jun 7, 1995
Inventor
Lawrence J. Rhoades
Assignee (at issue)
Extrude Hone GmbH
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.