Patents by Inventor Alistair Donald Lewis

Alistair Donald Lewis 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).

  • Horseshoe with improved traction and cushioning features
    Patent number: 6467549
    Abstract: A horseshoe (2) comprising a base portion (4) having a base surface (8), see FIG. 7, which, in use, is adjacent the hoof of a horse, an integral flange portion (6) which projects downwardly from the base portion (4), the flange portion (6) extending substantially along the entire length of the base portion (4), the flange portion (6) comprising, in cross section, first, second, third and fourth portions (30, 22, 18, 34), see FIG.
    Type: Grant
    Filed: September 5, 2000
    Date of Patent: October 22, 2002
    Inventor: Alistair Donald Lewis