Patents by Inventor Denis J. O'Connell, Sr.

Denis J. O'Connell, Sr. 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).

  • Platform for extension ladder
    Patent number: 8201661
    Abstract: A platform for an extension ladder comprises a plate member adapted to engage a pair of rails on each of a first stage and a second stage of the extension ladder and become wedged therebetween and to remain parallel to the ground when the plate member rests on a rung of the extension ladder. The plate member has at least six sides, a bottom cutout, a middle cutout and a top cutout; each cutout oppositely disposed on at least six sides; and each cutout relating to various positions along a length of the extension ladder.
    Type: Grant
    Filed: March 5, 2010
    Date of Patent: June 19, 2012
    Inventor: Denis J. O'Connell, Sr.
  • Extension ladder platform
    Patent number: D627486
    Type: Grant
    Filed: March 5, 2010
    Date of Patent: November 16, 2010
    Inventor: Denis J. O'Connell, Sr.