Granted Patent
Utility
US 5,948,448 · App. 08/972,277
Apparatus for controlling plastic melt flow in injection molding machines
Inventor:
Harald Schmidt
Patented Case
View Patent ↗
Granted: Sep 7, 1999
Filed: Nov 18, 1997
Inventor
Harald Schmidt
Assignee (at issue)
EURO TOOL, INC.
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.