Patents by Inventor Eugene W. Mattila

Eugene W. Mattila 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: 4101141
    Abstract: A drive chuck for use with a plurality of driven elements, such as for example a rock drill and a roof bolt, comprises a chuck body having an upper surface and a longitudinally extending slot formed thereon opening along the side of the chuck. The chuck body includes a base portion located generally parallel to the upper surface of the chuck body, above the lower end of the body, and both the upper surface and base portion of the chuck have recesses formed therein, in general longitudinal alignment with each other and with the slot, adapted to engage the end of a tool to be driven.
    Type: Grant
    Filed: March 16, 1977
    Date of Patent: July 18, 1978
    Assignee: Copper Range Company
    Inventors: Eugene W. Mattila, Joseph M. Maher