Granted Patent
Utility
US 5,031,813 · App. 07/531,956
Dispensing container having a tear strip with end tabs
Inventor:
David N. Broughton
Patented Case
View Patent ↗
Granted: Jul 16, 1991
Filed: Jun 1, 1990
Inventor
David N. Broughton
Assignee (at issue)
Dow Brands Inc.
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.