Granted Patent
Utility
US 6,050,001 · App. 08/990,110
Shoe having layered shock absorbing zones
Inventor:
Ann Batchelder Ditrtrich
Patented Case
View Patent ↗
Granted: Apr 18, 2000
Filed: Dec 12, 1997
Inventor
Ann Batchelder Ditrtrich
Assignee (at issue)
Florsheim Group 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.