Granted Patent
Utility
US 5,282,735 · App. 07/986,601
Injection molding nozzle with partially unheated heating element
Inventor:
Jobst U. Gellert
Patented Case
View Patent ↗
Granted: Feb 1, 1994
Filed: Dec 7, 1992
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.