Patents by Inventor Richard D. Houk, deceased

Richard D. Houk, deceased 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: 4725933
    Abstract: A line projector (10) embodying the concepts of the present invention is employed to project a vane of light onto a work surface (16). The line projector is contained within a housing (12) that is mounted, as on the truss arrangement (13), in spaced relation from the work surface (16). The structure by which the housing (12) is supported may include a fixed connector assembly (52) or an adjustably movable carriage connector (70) by which to effect in gross movement of the line projector (10) along the supporting truss (13). A lamp (100) having a linear filament (122) is mounted within the housing (12), and it is the image of the filament (122) that is projected as the vane of light onto the work surface (16). A particularly unique pedestal arrangement (140) is employed demountably to support the lamp (100) as well as selectively to translate and/or skew the lamp relative to the housing (12).
    Type: Grant
    Filed: September 11, 1986
    Date of Patent: February 16, 1988
    Assignee: Fairway International, Inc.
    Inventor: Richard D. Houk, deceased