Patents by Inventor Demosthenes Grellas

Demosthenes Grellas 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: 5163451
    Abstract: Patient support and positioning system for continuous passive motion (CPM) machines comprising a fully adjustable chair to which is attached a horizontal telescoping arm having a coupling member for fastening the vertical stand of a CPM machine thereto. The chair has full adjustment in all axes; rotation around a vertical center axis; vertical height adjustment; fully adjustable seat back, both fore-and-aft and vertically for proper lumbar support; and tilt of the seat. The telescoping arm is lockably adjustable in length to provide proper center-to-center distance between the center post of the chair and the CPM machine support. The arm further includes a downward vertical step member at its outboard CPM machine connecting end to permit proper vertical alignment of the CPM machine for users having a short torso. The arm also provides a support for a CPM power supply/control unit, and has means for securing the power cord out of the way off the floor.
    Type: Grant
    Filed: January 24, 1992
    Date of Patent: November 17, 1992
    Assignee: Sutter Corporation
    Inventor: Demosthenes Grellas