Granted Patent
Utility
US 4,385,687 · App. 06/309,924
Display carton and method
Inventor:
Dan Dutcher
Patented Case
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Granted: May 31, 1983
Filed: Oct 9, 1981
Inventor
Dan Dutcher
Assignee (at issue)
Champion International Corporation Limited
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.