Granted Patent
Utility
US 6,327,795 · App. 09/313,778
Sole construction for energy storage and rebound
Inventor:
Brian Russell
Patented Case
View Patent ↗
Granted: Dec 11, 2001
Filed: May 17, 1999
Inventor
Brian Russell
Assignee (at issue)
Britek Footwear Development, 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.