Granted Patent
Utility
US 4,799,593 · App. 06/856,983
Packaging construction
Inventor:
Jack Lawrence
Patented Case
View Patent ↗
Granted: Jan 24, 1989
Filed: Apr 29, 1986
Inventor
Jack Lawrence
Assignee (at issue)
Unilever Patent Holdings B.V.
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.