Granted Patent
Utility
US 5,118,280 · App. 07/678,729
Injection molding apparatus with integral cooling in a forward portion of the nozzle
Inventor:
Jobst U. Gellert
Patented Case
View Patent ↗
Granted: Jun 2, 1992
Filed: Apr 1, 1991
Inventor
Jobst U. Gellert
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.