Patents by Inventor David B. Shirley

David B. Shirley 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).

  • Lug nut tool
    Patent number: 5074170
    Abstract: A tool construction is set forth to include a central housing and a plurality of radially directed housing legs relative to the housing, wherein each leg mounts an output shaft driven through a central gear to effect simultaneous removal or assembly of lug nuts relative to an associated vehicular wheel.
    Type: Grant
    Filed: February 19, 1991
    Date of Patent: December 24, 1991
    Inventor: David B. Shirley