Granted Patent
Utility
US 4,530,631 · App. 06/619,914
Pull tab for easy open can end-method of manufacture thereof
Inventors:
Elton G. Kaminski, Carl McEldowney
Patented Case
View Patent ↗
Granted: Jul 23, 1985
Filed: Jun 12, 1984
Inventors
Elton G. Kaminski
Carl McEldowney
Assignee (at issue)
The Stolle Corporation
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.