Patents by Inventor William M. Handel

William M. Handel 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).

  • Knife sharpening device with angled guide plates
    Patent number: 5458534
    Abstract: A sharpener which has a main body portion to hold and support a sharpening stone 1. The main body is connected at one of its ends to a front guide plate and on the opposite end to a back guide plate. These two plates, in addition to guiding the direction of a knife blade during sharpening, also act to hold the stone in position. The back guide plate also acts as a finger guard and as a handle means for the sharpener.
    Type: Grant
    Filed: August 26, 1994
    Date of Patent: October 17, 1995
    Inventors: Antonino Campione, William M. Handel