Granted Patent
Utility
US 5,941,393 · App. 09/121,804
Easy opening plastic bag pack of the star-seal type
Inventor:
Harry B. Wilfong, Jr.
Patented Case
View Patent ↗
Granted: Aug 24, 1999
Filed: Jul 23, 1998
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.