Granted Patent
Utility
US 6,745,492 · App. 09/856,870
Process and installation for manufacturing a preform, implementing improved drying means, and plastic receipient obtained from the preform
Inventor:
Frank Haesendonckx
Patented Case
View Patent ↗
Granted: Jun 8, 2004
Filed: Aug 30, 2001
Inventor
Frank Haesendonckx
Assignee (at issue)
Schmalbach-Lubeca AG
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.