Patents by Inventor Dale F. Holderman

Dale F. Holderman 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: 8196339
    Abstract: A rodent trap comprises a stiff U-shaped spring with long outstretched arms and wire half-noose that are normally closed tightly together. A folding spreader mechanism at the base of the U-shaped spring holds the long outstretched arms apart until a trigger allows the spreader to fold up. The folding spreader mechanism is prevented from extending over-center and locking like a knee joint as near the point of going over-center, a tiny force like a trigger keeps the folding spreader mechanism extended even against strong spring pressures.
    Type: Grant
    Filed: January 6, 2011
    Date of Patent: June 12, 2012
    Inventor: Dale F. Holderman