Granted Patent
Utility
US 6,379,238 · App. 09/851,279
Finishing and abrasive tool
Inventors:
Timothy J. J. Beechey, Mark K. Van Voorhis
Patented Case
View Patent ↗
Granted: Apr 30, 2002
Filed: May 8, 2001
Inventors
Timothy J. J. Beechey
Mark K. Van Voorhis
Assignee (at issue)
Jason Incorporated
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.