Granted Patent
Utility
US 4,854,057 · App. 07/223,671
Dynamic support for an athletic shoe
Inventors:
Kenneth W. Misevich, Rob R. McGregor, Anthony J. Corrao
Patented Case
View Patent ↗
Granted: Aug 8, 1989
Filed: Jul 15, 1988
Inventors
Kenneth W. Misevich
Rob R. McGregor
Anthony J. Corrao
Assignee (at issue)
Tretorn AB
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.