Patents by Inventor Diana L. Hix

Diana L. Hix has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Snack food package
    Patent number: 4139643
    Abstract: A hermetically sealed pouch which is pleated, provided with a line of weakness and a tear initiating cut adjacent the line of weakness. The line of weakness extends completely around the pouch near the top of the package. A sealed area surrounds the cut to establish a barrier between the cut and the pouch interior. In one embodiment two parallel lines of weakness are used and the cut is made in the material which intervenes.
    Type: Grant
    Filed: December 6, 1977
    Date of Patent: February 13, 1979
    Assignee: The Procter & Gamble Company
    Inventors: Diana L. Hix, Charles L. Johnson, Harold D. Abner