Granted Patent
Utility
US 6,131,311 · App. 09/061,924
Insole insert for footwear
Inventors:
James G. Brown, Terry D. Blackwell
Patented Case
View Patent ↗
Granted: Oct 17, 2000
Filed: Apr 17, 1998
Inventors
James G. Brown
Terry D. Blackwell
Assignee (at issue)
Payless Shoesource, 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.