Granted Patent
Utility
US 6,038,790 · App. 09/031,562
Flexible sole with cushioned ball and/or heel regions
Inventors:
Clifford L. Pyle, John F. Ludemann
Patented Case
View Patent ↗
Granted: Mar 21, 2000
Filed: Feb 26, 1998
Inventors
Clifford L. Pyle
John F. Ludemann
Assignee (at issue)
Nine West 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.