Granted Patent
Utility
US 6,623,153 · App. 10/298,348
Device and method for charging a plasticizing unit of an injection molding machine
Inventor:
Peter Lieb
Patented Case
View Patent ↗
Granted: Sep 23, 2003
Filed: Nov 18, 2002
Inventor
Peter Lieb
Assignee (at issue)
Krauss-Maffei Kunststofftechnik GmbH
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.