Patents by Inventor Darrell D. Varner

Darrell D. Varner 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).

  • Separable wheelchair assembly and method
    Patent number: 7374195
    Abstract: A collapsible wheelchair assembly includes left and right frame sections that are separably fastened using a slide tube assembly. The slide tube assembly is fastened to the frame section with locking pins that can be manually removed without tools. The design allows the right and left frame sections to be completely separated for transport and storage.
    Type: Grant
    Filed: October 29, 2004
    Date of Patent: May 20, 2008
    Inventors: Darrell D. Varner, Michael A. Sims