Patents by Inventor Ash K. Sahi

Ash K. Sahi 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).

  • Lid for food trays
    Patent number: 4925685
    Abstract: The present invention provides a tray having a floor, walls attached thereto, said walls having a rim distal to the floor, said tray having food placed therein and an amorphous polyester, e.g. polyethylene terephthalate, a partially crystalline polyester, e.g. polyethylene terephthalate, or amorphous nylon film stretched across the rim and extending down the outer portion of the wall adjacent to the rim in a vacuum-induced thermally-set crimp. The polyester or nylon may optionally be blended with a compatibilized polyolefin.
    Type: Grant
    Filed: March 4, 1988
    Date of Patent: May 15, 1990
    Assignee: Du Pont Canada Inc.
    Inventor: Ash K. Sahi