Granted Patent
Utility
US 4,680,878 · App. 06/857,037
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Inventors:
Alessandro Pozzobon, Giorgio Baggio
Patented Case
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Granted: Jul 21, 1987
Filed: Apr 28, 1986
Inventors
Alessandro Pozzobon
Giorgio Baggio
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.