Patents by Inventor Richard A. Tredup

Richard A. Tredup 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 adjustable support platform for ladders
    Patent number: 5507363
    Abstract: A universal portable support platform for a ladder base is formed from a plurality of interfitting elements capable of left and right interconnections so that a horizontal support can be located selectively adjacent an elevated work site. Adjustment means are provided to level the horizontal support, regardless of the angulation of the ladder base.
    Type: Grant
    Filed: March 8, 1995
    Date of Patent: April 16, 1996
    Assignee: Richard A. Tredup
    Inventor: Richard A. Tredup
  • Universally adjustable support platform for ladders
    Patent number: 5431249
    Abstract: A universal portable support platform for a ladder base is formed from a plurality of interfitting elements capable of left and right interconnections so that a horizontal support can be located selectively adjacent an elevated work site. Adjustment means are provided to level the horizontal support, regardless of the angulation of the ladder base.
    Type: Grant
    Filed: July 21, 1994
    Date of Patent: July 11, 1995
    Assignee: Richard A. Tredup
    Inventor: Richard A. Tredup