Granted Patent
Utility
US 6,718,739 · App. 10/117,400
Tube pack bag making
Inventors:
Garrett William Kohl, Steven Kenneth Tucker, Anthony Robert Knoerzer, Jay Edward Gehring
Patented Case
View Patent ↗
Granted: Apr 13, 2004
Filed: Apr 5, 2002
Inventors
Garrett William Kohl
Steven Kenneth Tucker
Anthony Robert Knoerzer
Jay Edward Gehring
Assignee (at issue)
Frito-Lay North America, Inc.
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.