Patents by Inventor Allen D. Usow

Allen D. Usow 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).

  • Rigid concrete stamping tool with flat handles
    Patent number: 4993867
    Abstract: An improved concrete stamping tool is rigid in construction made of a high impact plastic. It has a lower blade assembly molded to a substantially flat upper assembly haivng flat handles on an upper surface thereof. A handle mount is provided in the center of the tool and a array of holes allows ganging of a plurality of such tools in either the vertical or horizontal direction.
    Type: Grant
    Filed: August 14, 1989
    Date of Patent: February 19, 1991
    Inventor: Allen D. Usow