Granted Patent
Utility
US 4,990,084 · App. 07/432,462
Mold clamping system
Inventor:
William A. Reinhart
Patented Case
View Patent ↗
Granted: Feb 5, 1991
Filed: Nov 6, 1989
Inventor
William A. Reinhart
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.