Granted Patent
Utility
US 6,479,562 · App. 09/791,689
Blow-molded foamed films of polyester resin
Inventors:
Hussein Al Ghatta, Tonino Severini
Patented Case
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Granted: Nov 12, 2002
Filed: Feb 26, 2001
Inventors
Hussein Al Ghatta
Tonino Severini
Assignee (at issue)
Sinco Ricerche 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.