Patents by Inventor David E. Lindsey

David E. Lindsey 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: 6991250
    Abstract: A multiple use convertible vehicle modified manually into various configurations, including a hand-towed cart, a hand truck, a hitchable trailer, a bicycle rack, a bed and a chair. The handle is attached to the main frame structure in an extended fashion and at an angle from a hitch bracket to use the vehicle as a hand-towed cart. Or, the handle is attached in a retracted fashion beneath the main frame to allow use of the vehicle as a hitchable trailer or a hand truck. Or, the handle is attached to the main frame at an angle from the hitch bracket to obtain a chair configuration. Or, the handle can be attached to the main frame in an extended fashion to form a bed configuration. Finally, the handle can be detached from the main frame structure, which can be mounted on a bike rack accessory, for use as a bicycle rack.
    Type: Grant
    Filed: October 15, 2003
    Date of Patent: January 31, 2006
    Inventors: Alan L. Lindsey, David E. Lindsey
  • Publication number: 20040080128
    Abstract: A multiple use convertible vehicle modified manually into various configurations, including a hand-towed cart, a hand truck, a hitchable trailer, a bicycle rack, a bed and a chair. The handle is attached to the main frame structure in an extended fashion and at an angle from a hitch bracket to use the vehicle as a hand-towed cart. Or, the handle is attached in a retracted fashion beneath the main frame to allow use of the vehicle as a hitchable trailer or a hand truck. Or, the handle is attached to the main frame at an angle from the hitch bracket to obtain a chair configuration. Or, the handle can be attached to the main frame in an extended fashion to form a bed configuration. Finally, the handle can be detached from the main frame structure, which can be mounted on a bike rack accessory, for use as a bicycle rack.
    Type: Application
    Filed: October 15, 2003
    Publication date: April 29, 2004
    Inventors: Alan L. Lindsey, David E. Lindsey