Granted Patent
Utility
US 5,259,749 · App. 07/734,193
Apparatus for feeding synthetic resin material to injection molding and extruder units
Inventors:
Franz Meixner, Peter Brams, Sven Schultheis
Patented Case
View Patent ↗
Granted: Nov 9, 1993
Filed: Jul 22, 1991
Inventors
Franz Meixner
Peter Brams
Sven Schultheis
Assignee (at issue)
KraussMaffei 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.