Patents by Inventor James J. Grieg

James J. Grieg 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).

  • Universally mountable brake assembly for a hand truck
    Patent number: 5524731
    Abstract: A brake assembly is universally mountable to any one of several different types and sizes of hand trucks. The complete brake assembly includes a brake control handle that is removably attached to the upper frame of the hand truck; a brake bar assembly having a base removably attached to the axle of the hand truck, and a horizontally extending brake bar with brake pads on its two ends adapted to engage the wheels; a cam mechanism for depressing the brake bar; and a cable coupling the brake control handle to the cam mechanism.
    Type: Grant
    Filed: February 21, 1995
    Date of Patent: June 11, 1996
    Assignees: John R. Grieg, David M. Grieg, James J. Grieg
    Inventor: James J. Grieg