Granted Patent
Utility
US 4,897,940 · App. 07/240,909
Ski boot with heel securing device
Inventor:
Mariano Sartor
Patented Case
View Patent ↗
Granted: Feb 6, 1990
Filed: Sep 7, 1988
Inventor
Mariano Sartor
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.