Patents by Inventor David J Braswell

David J Braswell 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).

  • Portable outdoor weight training platform
    Patent number: 8042854
    Abstract: An expandable trailer for transporting and using exercise equipment on the expanded trailer platform, comprising a boxcar shaped trailer mounted on wheels with a hitch for connecting to a motor vehicle. The boxcar walls are hingedly connected to the floor and pivotally open, extending the boxcar platform. Preferred embodiments include truss systems mounted to the platform equipped with cylinder type braces or pulleys that facilitate manually or automatically opening and closing the boxcar walls.
    Type: Grant
    Filed: January 31, 2008
    Date of Patent: October 25, 2011
    Inventor: David J Braswell
  • Portable outdoor weight training platform
    Publication number: 20090195008
    Abstract: An expandable trailer for transporting and using exercise equipment on the expanded trailer platform, comprising a boxcar shaped trailer mounted on wheels with a hitch for connecting to a motor vehicle. The boxcar walls are hingedly connected to the floor and pivotally open, extending the boxcar platform. Preferred embodiments include truss systems mounted to the platform equipped with cylinder type braces or pulleys that facilitate manually or automatically opening and closing the boxcar walls.
    Type: Application
    Filed: January 31, 2008
    Publication date: August 6, 2009
    Inventor: David J. Braswell