Granted Patent
Utility
US 5,125,191 · App. 07/489,229
Abrasive flow machining with an in situ viscous plastic medium
Inventor:
Lawrence J. Rhoades
Patented Case
View Patent ↗
Granted: Jun 30, 1992
Filed: Mar 6, 1990
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.