Patents by Inventor Clarence A. Lack

Clarence A. Lack 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: 5547163
    Abstract: A wedged preformed single strand tiewire assembling of plyform panels to I-beam stakes securing construction forms laterally, vertically and horizontally which are assembled aligned, plumb and level; the forms are comprised of flat, tapered steel wedges, tiewire with open-looped ends for receiving wedges at each end, I-beam steel stakes of varying lengths, and plyform-faced panels whereby the stakes and panels have holes through which the looped ends of tiewire are placed, and the stakes and panels are wedged together into an erect, assembled form preparatory to forming walls over foundation footings.
    Type: Grant
    Filed: November 25, 1994
    Date of Patent: August 20, 1996
    Inventor: Clarence A. Lack