Granted Patent
Utility
US 5,507,635 · App. 08/364,962
Injection molding nozzle with separable core and one-piece collar
Inventor:
Jobst U. Gellert
Patented Case
View Patent ↗
Granted: Apr 16, 1996
Filed: Dec 28, 1994
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.