Granted Patent
Utility
US 6,446,811 · App. 09/749,057
Self-opening serially-arranged plastic bag pack of the star-seal type
Inventor:
Harry B. Wilfong, Jr.
Patented Case
View Patent ↗
Granted: Sep 10, 2002
Filed: Dec 27, 2000
Inventor
Harry B. Wilfong, Jr.
Assignee (at issue)
Sonoco Development, 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.