Granted Patent
Utility
US 4,590,692 · App. 06/631,362
Rear entrance ski boot structure with constant flex
Inventor:
Alfio Leonardi
Patented Case
View Patent ↗
Granted: May 27, 1986
Filed: Jul 16, 1984
Inventor
Alfio Leonardi
Assignee (at issue)
Nordica S.p.A.
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.