Patents by Inventor Hilmar K. Gulseth

Hilmar K. Gulseth 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: 6293367
    Abstract: An extension ladder with ladder leveling apparatus consisting of an extension ladder, an elongated stabilizing strut with a series of teeth extending laterally therefrom and attachable to one leg of the extension ladder unit by way of a pair of u-bolt components each with a pair of threaded ends with such threaded ends being insertable one each through each of two through holes in each of a pair of grip components with teeth extending medially from one side of each grip component to complement and insert within spacing between the teeth of the stabilizing strut upon the tightening of threaded nuts one each about each threaded end of each dual bolt component and further with the stabilizing strut terminating in a footing component that extends laterally from the lie of the plane of said strut and which footing component is flared outwardly both anteriorly and posteriorly and to which an anteroposteriorly pivotable foot unit equipped with a rubberize base pod is attached.
    Type: Grant
    Filed: April 17, 2000
    Date of Patent: September 25, 2001
    Inventor: Hilmar K. Gulseth