Patents by Inventor Richard A. Simerka

Richard A. Simerka 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: 5615521
    Abstract: A tent flooring system including a support structure having two separately inflatable bladder members; and a fastener assembly for securing the support structure beneath a tent. The first bladder member is provided with a non-slip surface for contact with the existing tent floor. The second bladder member has a plurality of multi-directional channeling structure protrusions extending therefrom for allowing water to pass under the first bladder member during a rainstorm or the like.
    Type: Grant
    Filed: February 6, 1996
    Date of Patent: April 1, 1997
    Inventor: Richard A. Simerka