Patents by Inventor Lawrence L. Wickstrom

Lawrence L. Wickstrom 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).

  • Conical roof structure
    Patent number: 4192107
    Abstract: A conically-shaped roof structure comprising a plurality of radially spaced tapered roof panels with the ribbed edges of each panel lying in overlapping relation. Anchored to the undersurface of the roof panel ribs are a plurality of stiffener members having a vertically extending web for vertical loads and a horizontally extending lower flange for lateral loading and cable suspension means attached to the opposite ends of the stiffener member joining at a center point for supporting vertical thermocouple cables.
    Type: Grant
    Filed: May 30, 1978
    Date of Patent: March 11, 1980
    Assignee: Farmland Industries, Inc.
    Inventors: Lawrence L. Wickstrom, Jock C. Garden