Patents by Inventor Douglas B. Morrison

Douglas B. Morrison 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).

  • Apparatus for improving tire traction
    Patent number: 6581661
    Abstract: An apparatus that is used to increase traction between the tires of a vehicle and a slippery surface such as snow, ice, sand or mud. The apparatus is easily fitted transversely across the tire tread and tightened about the tire and tire rim by a take up ratchet.
    Type: Grant
    Filed: August 18, 1999
    Date of Patent: June 24, 2003
    Assignee: Large Car Equipment and Apparel, LLC
    Inventors: Douglas B. Morrison, Jeffrey A. Cooper