Granted Patent
Utility
US 6,696,146 · App. 09/531,478
Mono-or biaxially-stretched polyester resin foamed sheets and films
Inventors:
Hussein Al Ghatta, Sandro Cobror, Tonino Severini
Patented Case
View Patent ↗
Granted: Feb 24, 2004
Filed: Mar 20, 2000
Inventors
Hussein Al Ghatta
Sandro Cobror
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.