Patents by Inventor David R. Bergholz

David R. Bergholz 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).

  • Girt or purlin retainer and method of using same
    Patent number: 6709211
    Abstract: A girt retainer is described for temporarily securing one end of a girt to a column clip until a second girt has been secured to the first girt and the column clip. The girt retainer comprises a threaded shank having a deformable, disk-shaped head mounted thereon. The head has at least one anti-rotation protrusion extending downwardly therefrom. The method of utilizing the girt retainer to temporarily secure one end of a girt to a column clip is also described. The retainer may also be used as a purlin connector or as a connector for connecting the overlapping ends of two elongated members.
    Type: Grant
    Filed: July 3, 2002
    Date of Patent: March 23, 2004
    Assignee: Chief Industries, Inc.
    Inventors: Darwin P. Knecht, David R. Bergholz