Patents by Inventor Craig L. Knouse

Craig L. Knouse 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: 5715564
    Abstract: A dustpan having an inclined bottom wall with rearwardly convergent sidewalls coterminous with the bottom wall. A handle assembly is attached to the sidewalls at points therealong to facilitate lifting of the dustpan in a balanced horizontal manner. The convergent sidewalls, in addition to confining debris within the dustpan, limit inward movement of a broom head. A support on the bottom wall is of hook configuration to enable hanging of the dustpan on the edge of a waste receptacle.
    Type: Grant
    Filed: August 26, 1996
    Date of Patent: February 10, 1998
    Inventor: Craig L. Knouse