Granted Patent
Utility
US 5,669,751 · App. 08/239,776
Transport system for workpieces
Inventors:
James R. Hoffman, Robert F. Massmann
Patented Case
View Patent ↗
Granted: Sep 23, 1997
Filed: May 9, 1994
Inventors
James R. Hoffman
Robert F. Massmann
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.