Granted Patent
Utility
US 5,121,839 · App. 07/620,946
Dispensing carton with a front roll-engaging tab
Inventor:
Joan K. Lapp
Patented Case
View Patent ↗
Granted: Jun 16, 1992
Filed: Dec 3, 1990
Inventor
Joan K. Lapp
Assignee (at issue)
THE DOW CHEMICAL COMPANY
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.