Granted Patent
Utility
US 5,911,491 · App. 08/978,758
Welt shoe comfort system
Inventor:
Marvin Huff
Patented Case
View Patent ↗
Granted: Jun 15, 1999
Filed: Nov 26, 1997
Inventor
Marvin Huff
Assignee (at issue)
Footstar Corporation
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.