Granted Patent
Utility
US 6,006,451 · App. 08/890,595
Footwear apparatus with grinding plate and method of making same
Inventors:
Christopher H. Morris, David G. Inman
Patented Case
View Patent ↗
Granted: Dec 28, 1999
Filed: Jul 9, 1997
Inventors
Christopher H. Morris
David G. Inman
Assignee (at issue)
Artemis Innovations, Inc.
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.