Granted Patent
Utility
US 4,942,004 · App. 07/265,709
Method and apparatus for regulating mold clamping force in an injection molding machine
Inventor:
John C. Catanzaro
Patented Case
View Patent ↗
Granted: Jul 17, 1990
Filed: Nov 1, 1988
Inventor
John C. Catanzaro
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.