Patents by Inventor Gilbert W. Hibben

Gilbert W. Hibben 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).

  • Folding throwing knife
    Patent number: 4502219
    Abstract: A foldable throwing knife having a plurality of blades pivotally connected together for movement between a folded stored position in which the blades are in overlaying stacked relationship, and an unfolded throwing position wherein the blades are coplanar and at a predetermined angular displacement relative to each other. The blades include nesting notches for holding the blades in the unfolded throwing position. The knife blades are resiliently biased toward each other for forcing the notches into nesting relationship when the blades are in the unfolded throwing position.
    Type: Grant
    Filed: September 28, 1982
    Date of Patent: March 5, 1985
    Inventor: Gilbert W. Hibben
  • Knife
    Patent number: D302455
    Type: Grant
    Filed: March 23, 1987
    Date of Patent: July 25, 1989
    Inventor: Gilbert W. Hibben