Granted Patent
Utility
US 4,631,839 · App. 06/717,960
Closure device, particularly for rear opening ski boots
Inventors:
Massimo Bonetti, Giuseppe Manente, Abramo Mion
Patented Case
View Patent ↗
Granted: Dec 30, 1986
Filed: Mar 29, 1985
Inventors
Massimo Bonetti
Giuseppe Manente
Abramo Mion
Assignee (at issue)
E. A. Mion Ing. & Arch. Kairos S.N.C., Di M. Bonetti, G. Manente
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.