Granted Patent
Utility
US 6,773,251 · App. 10/193,372
Segmented wheel disk for extrusion blowmolding apparatus
Inventor:
Richard Nightingale
Patented Case
View Patent ↗
Granted: Aug 10, 2004
Filed: Jul 11, 2002
Inventor
Richard Nightingale
Assignee (at issue)
Pechiney Emballage Flexible Europe
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.