Granted Patent
Utility
US 4,930,905 · App. 07/234,657
Thermoplastic bag with integral draw strip and method of manufacture
Inventor:
Gordon V. Sharps, Jr.
Patented Case
View Patent ↗
Granted: Jun 5, 1990
Filed: Aug 22, 1988
Inventor
Gordon V. Sharps, Jr.
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.