Granted Patent
Utility
US 6,217,433 · App. 08/442,441
Grinding device and method
Inventors:
James A. Herrman, Ronald A. Meyer, Douglas R. Stitt, Robert L. Woodard
Patented Case
View Patent ↗
Granted: Apr 17, 2001
Filed: May 16, 1995
Inventors
James A. Herrman
Ronald A. Meyer
Douglas R. Stitt
Robert L. Woodard
Assignee (at issue)
Unova IP Corp.
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.