Patents by Inventor Rudy Ohnstad

Rudy Ohnstad 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 attachment for a ladder
    Patent number: 4085819
    Abstract: A platform attachment for a ladder includes a generally rectangular, substantially flat platform having an upturned edge and having an elongate rung-engaging channel secured to the lower surface thereof. A second rung-engaging channel is secured to the platform by a pair of straps. The rung-engaging channels each have a width corresponding to the width of the platform and each is adapted to engage the full length of a ladder rung to securely mount the platform attachment on a ladder.
    Type: Grant
    Filed: May 6, 1977
    Date of Patent: April 25, 1978
    Inventor: Rudy Ohnstad