Granted Patent
Utility
US 5,474,440 · App. 08/312,535
Injection molding nozzle with collar having locating and retaining lug protions
Inventor:
Jobst U. Gellert
Patented Case
View Patent ↗
Granted: Dec 12, 1995
Filed: Sep 26, 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.