IP Library Granted Patent US 4,809,448
Granted Patent Utility
US 4,809,448 · App. 07/090,883

Ski boot

Inventors: Valerio Tonel, Mario Mattiuzzo
Patented Case View Patent ↗
Granted: Mar 7, 1989 Filed: Aug 28, 1987
Inventors
Valerio Tonel
Mario Mattiuzzo
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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 4,809,448
App. No.
07/090,883
Filed
1987-08-28
Granted
1989-03-07
Kind
A