Patents by Inventor Mark H. Langford

Mark H. Langford 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).

  • Insulated retainer for a beverage container
    Patent number: 5447764
    Abstract: An insulated retainer (10) for a beverage container. The retainer (10) is comprised of a cylindrical sleeve (12) with an open top (16) and open bottom (18), the bottom (18) having a flexible base (14), thereby providing stability to the beverage container.
    Type: Grant
    Filed: August 26, 1992
    Date of Patent: September 5, 1995
    Inventor: Mark H. Langford