Granted Patent
Utility
US 4,312,695 · App. 06/143,743
Method and apparatus for everting a closure and separating a liner therefrom
Inventor:
W. Coy Willis
Patented Case
View Patent ↗
Granted: Jan 26, 1982
Filed: Apr 25, 1980
Inventor
W. Coy Willis
Assignee (at issue)
Aluminum Company of America
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.