Granted Patent
Utility
US 5,188,249 · App. 07/757,711
Plastic bottle having a linerless closure with collapsible flange and method
Inventor:
David W. Cargile
Patented Case
View Patent ↗
Granted: Feb 23, 1993
Filed: Sep 11, 1991
Inventor
David W. Cargile
Assignee (at issue)
GRAHAM PACKAGING COMPANY, L.P.
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.