Patents Assigned to Practical Technology Incorporated
  • Vehicle seat lumbar support insert and method of utilizing the same
    Patent number: 4534593
    Abstract: A lumbar support for a vehicle seat comprises two interlocking elements which can be moved into position between a seat back cushion and a seat frame and then interlocked, thus fixing the lumbar support relative the cushion and the frame. The elements can be permanently placed in functioning position without damage to, or alteration of, the seat, without using special tools, and while the seat remains in position in the vehicle.
    Type: Grant
    Filed: May 6, 1983
    Date of Patent: August 13, 1985
    Assignee: Practical Technology Incorporated
    Inventor: William K. Ojala