Granted Patent
Utility
US 5,265,961 · App. 07/759,354
Plastic grocery bag having draw-tape closure and flat bottom
Inventor:
Dana M. Boyd
Patented Case
View Patent ↗
Granted: Nov 30, 1993
Filed: Sep 13, 1991
Inventor
Dana M. Boyd
Assignee (at issue)
Mobil Oil Corporation
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.