Patents by Inventor Mark L. Simchuk

Mark L. Simchuk 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).

  • Shoe with replacement sole cartridges
    Patent number: 8069583
    Abstract: A shoe with replaceable shoe cartridges includes a shoe frame having a forefoot portion, a middle portion extending from the forefoot portion and a heel portion extending from the middle portion; a sole provided on the shoe frame; a forefoot sole cartridge removably engaging the sole at the forefoot portion of the shoe frame; and a heel sole cartridge removably engaging the sole at the heel portion of the shoe frame.
    Type: Grant
    Filed: December 20, 2007
    Date of Patent: December 6, 2011
    Inventor: Mark L. Simchuk