Granted Patent
Utility
US 6,589,041 · App. 09/795,831
Apparatus for shaping thermoplastic materials
Inventor:
Jurgen Feil
Patented Case
View Patent ↗
Granted: Jul 8, 2003
Filed: Feb 28, 2001
Inventor
Jurgen Feil
Assignee (at issue)
Paul Kiefel 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.