Granted Patent
Utility
US 5,229,952 · App. 07/644,064
Control for injection molding machine
Inventors:
Keith R. Galloway, Michael Wayne Rothwell, Charles N. Messerle
Patented Case
View Patent ↗
Granted: Jul 20, 1993
Filed: Jan 18, 1991
Inventors
Keith R. Galloway
Michael Wayne Rothwell
Charles N. Messerle
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.