Patents by Inventor Howard L. Spresser

Howard L. Spresser 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).

  • Advertising dispay unit for shopping carts
    Patent number: 4217711
    Abstract: An advertising display unit for use with a shopping cart, said display unit having a flat base member mountable on the shopping cart, a cover member releasably securable to the base member, the base member and the cover member being configured to define a slot between them. The slot can be divided into a plurality of pockets to hold advertising material, each of the pockets having a window to display the advertising material.
    Type: Grant
    Filed: February 9, 1978
    Date of Patent: August 19, 1980
    Assignee: Advocart, Inc.
    Inventors: Howard L. Spresser, Darrell W. Miller