Granted Patent
Utility
US 5,321,901 · App. 07/930,547
Studs and sockets for studded footwear
Inventor:
Paul Andrew Kelly
Patented Case
View Patent ↗
Granted: Jun 21, 1994
Filed: Sep 28, 1992
Inventor
Paul Andrew Kelly
Assignee (at issue)
Trisport AG
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.