Granted Patent
Utility
US 5,524,367 · App. 07/865,287
Removable shoe spike lockable to configured sole plate
Inventors:
Joseph Ferreira, Roy S. Collins
Patented Case
View Patent ↗
Granted: Jun 11, 1996
Filed: Apr 8, 1992
Inventors
Joseph Ferreira
Roy S. Collins
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.