Granted Patent
Utility
US 6,592,351 · App. 09/766,768
Turret loading device for extrusion line
Inventors:
Herbert Hutchison, Robert White
Patented Case
View Patent ↗
Granted: Jul 15, 2003
Filed: Jan 22, 2001
Inventors
Herbert Hutchison
Robert White
Assignee (at issue)
Crane Plastics Company LLC
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.