Patents by Inventor David J. Perka

David J. Perka 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: 7252625
    Abstract: The present invention discloses a wetsuit that may be worn by a user for providing torso support when user is lying prone on a board while engaging in aquatic sports. The wetsuit includes a torso wedge, which is generally aligned proximal the width of a costal arch of the user lower rib cage, critical in supporting the torso of the user. In general, the torso wedge is configured to provide a wedge-like angle between the board and the user's chest when the user is in a prone position on the board, thereby elevating the torso of the user.
    Type: Grant
    Filed: May 11, 2006
    Date of Patent: August 7, 2007
    Inventor: David J. Perka