Patents by Inventor David L. Dungan

David L. Dungan 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).

  • Sit-kneel chair
    Patent number: 4589699
    Abstract: A sit-kneel chair (10) for distributively supporting the posterior of a user, and the knee and/or lower leg portion of a user. The chair (10) comprises a seat (12) for supporting the posterior of the user, and the knee support (14) for supporting the knee or lower leg portions of the user. The chair (10) further comprising a frame (16) including a first support assembly (20) for pivotally supporting the seat (12) and a second support assembly (22) for pivotally supporting the knee support (14). Means are also provided for selectively altering the linear distance between the seat (12) and the knee support (14). In the preferred embodiment, such means comprise a connector arm (40) secured to the first support assembly (20) for slidably engaging the second support assembly (22).
    Type: Grant
    Filed: May 29, 1984
    Date of Patent: May 20, 1986
    Inventor: David L. Dungan