Granted Patent
Utility
US 4,489,847 · App. 06/224,582
Parrot-beakable freestanding plastic drum assemblage
Inventor:
Geoffrey C. Ames
Patented Case
View Patent ↗
Granted: Dec 25, 1984
Filed: Jan 12, 1981
Inventor
Geoffrey C. Ames
Assignee (at issue)
Owens-Illinois 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.