Granted Patent
Utility
US 4,867,348 · App. 07/034,859
Disposable package for use in marketing fluids
Patented Case
View Patent ↗
Granted: Sep 19, 1989
Filed: Apr 6, 1987
Assignee (at issue)
Adolph Coors 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.