Granted Patent
Utility
US 6,500,050 · App. 09/931,204
High precision abrasive flow machining apparatus and method
Inventors:
William L. Walch, John M. Greenslet, Edward J. Rusnica, Ruth S. Abt, Lawrence J. Voss
Patented Case
View Patent ↗
Granted: Dec 31, 2002
Filed: Aug 16, 2001
Inventors
William L. Walch
John M. Greenslet
Edward J. Rusnica
Ruth S. Abt
Lawrence J. Voss
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.