Granted Patent
Utility
US 6,675,501 · App. 09/360,155
Insole construction for footwear
Inventor:
Wilhelm Pfander
Patented Case
View Patent ↗
Granted: Jan 13, 2004
Filed: Jul 26, 1999
Inventor
Wilhelm Pfander
Assignee (at issue)
Phoenix Footwear 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.