Patents by Inventor Don R. Cortez

Don R. Cortez 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).

  • Patent number: 5324127
    Abstract: A shoe-polish applicator for dressing the edges and heels of shoe soles, which includes a roller saturated with a fluid dressing agent. The roller is comprised of Sif Felt.RTM. foam and is rotatably mounted on an inflexible shaft. The Sif Felt.RTM. foam roller is capable of absorbing and retaining and then transferring enough fluid dressing agent to eliminate the requirement of a shoe-polish reservoir.
    Type: Grant
    Filed: August 9, 1993
    Date of Patent: June 28, 1994
    Inventor: Don R. Cortez