Granted Patent
Utility
US 4,820,147 · App. 07/186,551
Injection molding elongated probe having integral heating element and locating means
Inventor:
Jobst U. Gellert
Patented Case
View Patent ↗
Granted: Apr 11, 1989
Filed: Apr 27, 1988
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.