Granted Patent
Utility
US 4,814,037 · App. 07/102,829
Method of making shoes using a particular shoe stiffener
Inventor:
Brian Arnold
Patented Case
View Patent ↗
Granted: Mar 21, 1989
Filed: Sep 23, 1987
Inventor
Brian Arnold
Assignee (at issue)
Emhart Industries, 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.