Patents by Inventor David L. Sorensen

David L. Sorensen 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: 4146226
    Abstract: A razor type arrowhead having an elongated tubular body, with a plurality of longitudinal slots formed in spaced positions around the periphery of the body. A removable blade is mounted in each slot in the body. Each blade is provided with a dovetail connector extension that is seated in a mating recess in the body. A combination arrow shaft attachment and blade retainer member is mounted on the rear end of the body and releasably secures the blades in the body. An arrowhead nose member is releasably mounted on the front end of the body and is detachably connected to the combination arrow shaft attachment and blade retainer member.
    Type: Grant
    Filed: April 4, 1977
    Date of Patent: March 27, 1979
    Inventor: David L. Sorensen