Patents by Inventor William L. Wilton

William L. Wilton 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).

  • Seat backrest having an adjustable lumbar support
    Patent number: 4182533
    Abstract: A seat backrest having an upholstered cushion portion supported by a rigid frame portion includes means to produce a desired supporting contour in the lumbar region of the seat occupant. The contour-producing means includes a lumbar pad, resiliently biased pivoted arm members connecting the lumbar pad to the frame through a toggle linkage, and handle means operable from the side of the backrest for adjustably positioning the lumbar pad in a plurality of fixed positions forward of the frame.
    Type: Grant
    Filed: December 26, 1978
    Date of Patent: January 8, 1980
    Assignee: UOP Inc.
    Inventors: O. Harold Arndt, William L. Wilton
  • Seat cover fastening system
    Patent number: 3981534
    Abstract: An extruded, generally J-shaped plastic welt or trim strip adapted to be sewn to a seat cover has an inverted lip portion at the tip of its short leg. The welt strip is adapted to cover both sides of a vertical, downwardly extending peripheral flange on a metal seat pan. The welt strip is retained against removal from the seat pan by the engagement of its inverted lip portion with a plurality of upwardly and inwardly directed tabs which are struck out of the material of the flange.
    Type: Grant
    Filed: June 27, 1975
    Date of Patent: September 21, 1976
    Assignee: Universal Oil Products Company
    Inventor: William L. Wilton