Patents by Inventor Merl DeWitt

Merl DeWitt 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).

  • Lightweight trailer bed construction
    Patent number: 4232884
    Abstract: A framework structure including longerons and lateral ribs formed of relatively thin plate metal having bent-over long edges forming channels or Z-sections riveted and welded together forming a lattice type framework, as a supporting frame for a lightweight trailer construction. The frame construction includes channel-shaped struts or longerons and Z-shaped laterals and peripheral longerons.
    Type: Grant
    Filed: August 24, 1978
    Date of Patent: November 11, 1980
    Inventor: Merl DeWitt