Granted Patent
Utility
US 6,739,858 · App. 10/230,081
Insulated apparatus for injecting and removing compressed air from a cooled mold cavity
Inventors:
Roy Krohn, Gregory D. Taylor
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: Aug 29, 2002
Inventors
Roy Krohn
Gregory D. Taylor
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.