Patents by Inventor Robert V. Ballagh

Robert V. Ballagh 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: 3975051
    Abstract: An orthopedic chair particularly adapted for the use of an invalid or patient suffering from disabling diseases such as arthritis, sciatica, or the like. The orthopedic chair includes a movably supported frame assembly that serves to maintain a forwardly and downwardly extending saddle-shaped seat at a desired elevation between a pair of laterally spaced side walls and a back rest. The frame movably supports a pair of laterally spaced channels for longitudinal movement relative to the seat, with the forward extremities of the channels having first and second leg supports pivotally mounted thereon. The frame assembly supports first and second reversible electric motors that drive first and second mechanisms that pivot the first and second leg supports to desired angular positions relative to the first and second channels.
    Type: Grant
    Filed: March 8, 1976
    Date of Patent: August 17, 1976
    Inventor: Robert V. Ballagh