Patents by Inventor Jay L. Blank

Jay L. Blank 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).

  • Retractable window crank
    Patent number: 5551316
    Abstract: For the shaft of a window pivoting device, a retractable crank which includes a socket, a turning arm and a rotatable knob articulated together so that the turning arm can be pivoted between operating and retracted positions with the knob always on the side of the turning arm opposite the socket in the operating position and the same side as the socket in the retracted position, and in the retracted position the knob projects inwardly or downwardly but not outwardly away from the window.
    Type: Grant
    Filed: January 23, 1995
    Date of Patent: September 3, 1996
    Inventor: Jay L. Blank