Granted Patent
Utility
US 5,247,781 · App. 07/741,959
In-line application of closure to packaging film
Inventor:
Heinz F. Runge
Patented Case
View Patent ↗
Granted: Sep 28, 1993
Filed: Aug 8, 1991
Inventor
Heinz F. Runge
Assignee (at issue)
Kraft General Foods, 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.