Patents by Inventor Dewey H. Stewart

Dewey H. Stewart 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).

  • Extension apparatus
    Patent number: 6488511
    Abstract: A extension apparatus for operating electric hand tools in extended positions. The extension apparatus includes an elongate tubular member has a first end and a second end. The tubular member is telescoping and includes a bottom section, a lower middle section, an upper middle section, and a top section. Each of the sections has a first end and a second end. An electrical cord extends into the tubular member. An electrical switch is attached to the bottom section. A pair of coupling members releasably couples the bottom section, and the two middle sections. An electrical receptacle for receiving a power cord of the electrical hand tool is positioned inside the top section.
    Type: Grant
    Filed: January 25, 2002
    Date of Patent: December 3, 2002
    Inventor: Dewey H. Stewart