Granted Patent
Utility
US 4,715,132 · App. 06/897,562
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Inventor:
Alessandro Pozzobon
Patented Case
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Granted: Dec 29, 1987
Filed: Aug 18, 1986
Inventor
Alessandro Pozzobon
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.