Granted Patent
Utility
US 5,863,567 · App. 08/901,744
Two-stage electric injection unit for a molding machine
Inventor:
M. Barr Klaus
Patented Case
View Patent ↗
Granted: Jan 26, 1999
Filed: Jul 28, 1997
Inventor
M. Barr Klaus
Assignee (at issue)
Cincinnatti Milacron Inc.
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.