Patents by Inventor William B. Swenson

William B. Swenson 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).

  • Interchangeable tip and/or weight hammer
    Patent number: 5216939
    Abstract: A hammer head with an interchangeable tip and a hollow interior housing within which various weights can be inserted and held tightly in place. The tip of the hammer head is easily removed and changed using a slotted keyhole entry. The internal weight is held in place within the interior of the head and tip. A retainer ring rides in grooves within the head housing effectively holding the tip in place.
    Type: Grant
    Filed: October 2, 1992
    Date of Patent: June 8, 1993
    Inventor: William B. Swenson