Granted Patent
Utility
US 4,618,383 · App. 06/708,612
Method and apparatus for the manufacture of plastic bags having interlocking profile extrusions
Inventor:
Fox J. Herrington
Patented Case
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Granted: Oct 21, 1986
Filed: Mar 5, 1985
Inventor
Fox J. Herrington
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.