Granted Patent
Utility
US 5,678,711 · App. 08/611,596
Preform and hot-fill blow-molded container having reinforced finish
Inventor:
John W. Tobias
Patented Case
View Patent ↗
Granted: Oct 21, 1997
Filed: Mar 8, 1996
Inventor
John W. Tobias
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.