Patents by Inventor James A. Calloway

James A. Calloway 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: 9033104
    Abstract: A stabilizer support for extension ladder having a pair of frame members. A pair of spring loaded telescoping extension legs, one of each disposed within each of the frame members. A plurality of adjustment mechanisms and hinges. A pair of adjustment feet having non-skid frictional engagement surfaces. Each of the adjustment feet configured to rotate about an axis of one of the hinges. A lateral support member disposed upon and longitudinally traversing between an inner wall of each frame member. The support member having a medially disposed pivot. A spring loaded adjustable rung support disposed upon the pivot. A pair of mounting plates disposed on an upper end of each of the frame members. A hinging surface configured to angularly adjust within a slit of the upper end. A mounting surface configured to engage a mounting member of a ladder.
    Type: Grant
    Filed: May 20, 2014
    Date of Patent: May 19, 2015
    Inventor: James A. Calloway