Granted Patent
Utility
US 6,820,529 · App. 10/161,416
Cutting mat
Inventors:
John Elia, Jerry Shelton, Ronnie Bryson
Patented Case
View Patent ↗
Granted: Nov 23, 2004
Filed: Jun 3, 2002
Inventors
John Elia
Jerry Shelton
Ronnie Bryson
Assignee (at issue)
Day International, 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.