Granted Patent
Utility
US 4,718,933 · App. 06/916,579
Internally cooled gob chute
Inventors:
John E. Suomala, Robert J. Duga
Patented Case
View Patent ↗
Granted: Jan 12, 1988
Filed: Oct 8, 1986
Inventors
John E. Suomala
Robert J. Duga
Assignee (at issue)
Emhart Industries, 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.