Granted Patent
Utility
US 5,666,697 · App. 08/640,916
Card of the tandem-card type with fixed carding units below a carding cylinder
Inventor:
Marcello Giuliani
Patented Case
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Granted: Sep 16, 1997
Filed: May 10, 1996
Inventor
Marcello Giuliani
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.