Patents by Inventor Michael J. Gansen

Michael J. Gansen 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: 5159858
    Abstract: A framing hammer construction in which a conventional hammer head is provided with a boss permanently secured to one side of the hammer head, this boss containing double tapered grooves for releasably holding laterally projecting nails, together with a flattened boss on the side of the hammer head opposite to the grooved boss for driving nails with sideways blows of the hammer head.
    Type: Grant
    Filed: May 17, 1991
    Date of Patent: November 3, 1992
    Inventor: Michael J. Gansen