Granted Patent
Utility
US 4,786,246 · App. 07/086,641
Injection molding multiple nozzle valve gating system
Inventor:
Jobst U. Gellert
Patented Case
View Patent ↗
Granted: Nov 22, 1988
Filed: Aug 18, 1987
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.