Granted Patent
Utility
US 4,642,915 · App. 06/765,400
Article of footwear and method of making same
Inventor:
Wilhelm Pfander
Patented Case
View Patent ↗
Granted: Feb 17, 1987
Filed: Aug 14, 1985
Inventor
Wilhelm Pfander
Assignee (at issue)
Penobscot Shoe Company
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.