Granted Patent
Utility
US 5,964,644 · App. 08/627,226
Abrasive jet stream polishing
Inventor:
Lawrence J. Rhoades
Patented Case
View Patent ↗
Granted: Oct 12, 1999
Filed: Mar 1, 1996
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.