Patents by Inventor Alvin G. Rohrbaugh

Alvin G. Rohrbaugh 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: 5046385
    Abstract: A device for straightening, aligning and sharpening a cutting edge. The device is composed of a base member with an elongated slot transverse to the longitudinal axis of the base member to permit passage of a cutting blade therethrough; a pair of edge sharpening members each secured in the base member and each defining an arcuate sharpening surface extending into the slot and each laterally displaced from each other on the longitudinal axis; and an edge straightener extending outwardly from the base member along the longitudinal central axis.
    Type: Grant
    Filed: January 25, 1991
    Date of Patent: September 10, 1991
    Assignee: Cozzini, Inc
    Inventors: Ivo Cozzini, George T. Bowers, Alvin G. Rohrbaugh