Granted Patent
Utility
US 4,534,504 · App. 06/592,891
Unitary cellular partition for containers
Inventor:
Frank W. Locke
Patented Case
View Patent ↗
Granted: Aug 13, 1985
Filed: Mar 23, 1984
Inventor
Frank W. Locke
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.