Patents by Inventor Don H. White

Don H. White 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: 4542666
    Abstract: A wrench for turning oval handles of the type used in angle stop valves comprises a flat base plate with a truncated oval cross-section box extending downward from the base plate. A metal post extending upward from the center of the base plate has a polygonal cross section upper end engageable by a standard wrench handle. Opposed parallel tabs extending upwards from either side of the base plate have holes through which a bar with a grooved end may be inserted and butted up against the base of the post, providing additional means for applying torque to the axis of the wrench.
    Type: Grant
    Filed: September 1, 1983
    Date of Patent: September 24, 1985
    Inventor: Don H. White