Patents by Inventor by Catherine Hansen, executor

by Catherine Hansen, executor 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).

  • Adjustable height wagon
    Patent number: 5429210
    Abstract: An adjustable height wagon capable of being manipulated between an orientation allowing maximum lift and an orientation allowing maximum height. The provision of a lift mechanism below an undercarriage of the wagon increases the stability of the wagon during lifting, and allows a material supporting bed to be drawn into contact with the undercarriage, thereby increasing the stability of both the material supporting bed and the wagon.
    Type: Grant
    Filed: January 21, 1994
    Date of Patent: July 4, 1995
    Inventors: Elmer K. Hansen, deceased, by Catherine Hansen, executor