Patents by Inventor Mark S. Grahahm

Mark S. Grahahm 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).

  • Foldable covered food container
    Patent number: 5788145
    Abstract: A covered food container especially adapted to hold a single slice of pizza or the like is described having a polygonal configuration and an integrated cover which folds over and is securely latched to enclose the contents. The covered food container can be formed from a single sheet of material such as cardboard or styrene foam and has the advantage that the top and base trays forming the container are interchangeable.
    Type: Grant
    Filed: December 23, 1996
    Date of Patent: August 4, 1998
    Assignee: Bell Paper Box, Inc.
    Inventors: Mark S. Grahahm, Gregory A. Green