Patents by Inventor Jeffery L. Halliwill

Jeffery L. Halliwill 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: 5577807
    Abstract: An adjustable chair includes a base, a back support, a control on the base, a seat positioned on the control and an actuator housing supported on the base. The control mounts the back for tilting movement between a fully upright position and reclined position. A seat is pivoted to the base at a front end. The seat is also connected to the base by a plurality of locking plates. The chair includes a back stop subassembly, a back or seat tension subassembly, a seat tilt subassembly and a seat depth subassembly. The actuator housing is an elongated, tubular member having concentrically mounted controls or actuators at each end. At one end of the actuator, a rotatable actuator controls back tilt tension and a concentrically mounted, push button actuator controls the back tilt or stop position.
    Type: Grant
    Filed: June 9, 1994
    Date of Patent: November 26, 1996
    Assignee: Steelcase Inc.
    Inventors: David N. Hodge, David C. Jenkins, Michael L. Mercier, David S. Teppo, Larry G. Lindgren, Jeffery L. Halliwill, James M. Mancewicz