Granted Patent
Utility
US 6,709,261 · App. 09/814,793
Multi-parison/dual cavity wheel blowmolds
Inventors:
David W. Cargile, Roy Krohn
Patented Case
View Patent ↗
Granted: Mar 23, 2004
Filed: Mar 23, 2001
Inventors
David W. Cargile
Roy Krohn
Assignee (at issue)
GRAHAM PACKAGING COMPANY, L.P.
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.