Patents by Inventor Edward McCrudden

Edward McCrudden 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: 4412599
    Abstract: A ladder attachment for securement to a ladder leg which can function as a ladder standoff, ladder leg extension or roof ridge hook. The ladder standoff arrangement permits the ladder to be supported a predetermined distance from a wall, enables the ladder to be used as a scaffold, or provides a support for a work table or sawhorse.The attachment comprises a channel having an adjustable web and sidewalls with a reversible angle secured to one sidewall which cooperates with biasing means passing through the channel web and a ladder stile to frictionally lock an elongated member passing through holes formed in the sidewalls as a standoff or roof ridge hook or to frictionally lock an elongated member adjacent a ladder leg as an extension thereof.
    Type: Grant
    Filed: March 22, 1982
    Date of Patent: November 1, 1983
    Assignee: Edward McCrudden
    Inventors: Edward McCrudden, Frank Shandala