Granted Patent
Utility
US 4,765,534 · App. 07/074,931
Octagonal carton for pizza pies or the like
Inventors:
Kenneth J. Zion, Richard H. Johnson
Patented Case
View Patent ↗
Granted: Aug 23, 1988
Filed: Jul 17, 1987
Inventors
Kenneth J. Zion
Richard H. Johnson
Assignee (at issue)
Stone Container Corporation
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.