Granted Patent
Utility
US 5,653,093 · App. 08/542,402
Method and apparatus to maintain the characteristics of a thermoplastic film at constant values
Inventor:
Joseph Delledonne
Patented Case
View Patent ↗
Granted: Aug 5, 1997
Filed: Oct 12, 1995
Inventor
Joseph Delledonne
Assignee (at issue)
A.W.A.X. Progettazione E Ricerca S.r.l.
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.