Patents by Inventor Calvin Allen

Calvin Allen 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).

  • Publication number: 20090162158
    Abstract: A leveraging apparatus for a drill is disclosed for drilling a workpiece. The apparatus includes a bar body that preferably has a plurality of attachment means there along. A carriage is adapted to slidably receive the bar body and further includes a forward side, and a lower side for mounting with a drill clamping means. An elongated handle is pivotally connected at a distal end thereof proximate the forward side of the carriage. The handle is pivotally, and preferably selectively, attached to the bar body. The clamping means may include a bracket having an aperture therein for selectively receiving the drill therein. A foot means extending away from the bar body is fixed thereto with a bar body attachment means. The foot means is used to brace the workpiece while the handle is used to move the carriage with respect to the bar body to drill the workpiece.
    Type: Application
    Filed: July 22, 2008
    Publication date: June 25, 2009
    Inventors: Michael Glodowski, Steve A. Hatten, Calvin Allen, Nathan Kems