Granted Patent
Utility
US 4,972,613 · App. 07/419,526
Rear entry athletic shoe
Inventor:
Christopher J. Loveder
Patented Case
View Patent ↗
Granted: Nov 27, 1990
Filed: Oct 10, 1989
Inventor
Christopher J. Loveder
Assignee (at issue)
Wolverine World Wide, 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.