Patents by Inventor William N. Elrod

William N. Elrod 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).

  • Chain link mixing accessory for drills
    Patent number: 7329040
    Abstract: A mixing tool for use with a hand held drill motor having a rotatable shaft and a flexible mixing member in the form of a link chain fastened to one end of the shaft to extend radially in the material to be mixed and cause mixing upon rotation of the shaft.
    Type: Grant
    Filed: May 30, 2006
    Date of Patent: February 12, 2008
    Inventor: William N. Elrod