Granted Patent
Utility
US 6,277,321 · App. 09/058,372
Method of forming wide-mouth, heat-set, pinch-grip containers
Inventors:
Dwayne G. Vailliencourt, Kerry W. Silvers
Patented Case
View Patent ↗
Granted: Aug 21, 2001
Filed: Apr 9, 1998
Inventors
Dwayne G. Vailliencourt
Kerry W. Silvers
Assignee (at issue)
Schmalbach-Lubeca AG
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.