Patents by Inventor Kenneth J. Penning

Kenneth J. Penning 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).

  • Chair with adjustable armrest
    Patent number: 6053577
    Abstract: A chair includes a base, a seat supported on the base and defining right and left sides, and an armrest. The armrest includes an armrest support rotatably supported under the seat on a bearing mechanism on the base for 360.degree. of movement around the seat, including movement to positions adjacent the right and left sides of the seat. The seat is slidably supported on the base for movement between a forward use position and a rearward position, the rearward position permitting increased clearance in front of the seat for adjustment of the armrest, but the seat being normally biased toward the forward position by a spring device. The base includes a control for supporting a reclineable back.
    Type: Grant
    Filed: February 20, 1998
    Date of Patent: April 25, 2000
    Assignee: Steelcase Development Inc.
    Inventors: Robert P. Arko, Eric T. McClure, Kenneth J. Penning, Mark S. Drelles
  • Chair
    Patent number: D420538
    Type: Grant
    Filed: April 24, 1998
    Date of Patent: February 15, 2000
    Assignee: Steelcase Inc.
    Inventors: Robert P. Arko, Steven R. Takayama, Eric T. McClure, Kenneth J. Penning, Steven J. Dessaint
  • Chair
    Patent number: D434918
    Type: Grant
    Filed: July 12, 1999
    Date of Patent: December 12, 2000
    Assignee: Steelcase Inc.
    Inventors: Robert P. Arko, Steven R. Takayama, Eric T. McClure, Kenneth J. Penning, Steven J. Dessaint