Granted Patent
Utility
US 5,403,178 · App. 08/135,558
Injection unit for an injection molding machine
Inventor:
Reinhard Steger
Patented Case
View Patent ↗
Granted: Apr 4, 1995
Filed: Oct 14, 1993
Inventor
Reinhard Steger
Assignee (at issue)
Ferromatik Milacron Maschinenbau GmbH
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.