Granted Patent
Utility
US 4,979,892 · App. 07/331,230
Injection molding nozzle with self-supporting actuating mechanism
Inventor:
Jobst U. Gellert
Patented Case
View Patent ↗
Granted: Dec 25, 1990
Filed: Mar 31, 1989
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.