Patents by Inventor Robert F. Pierson

Robert F. Pierson 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).

  • Ergonomic hand tool
    Patent number: 6234050
    Abstract: A hand tool such as a wire stipper or pliers has two elongated members pivotably connected at a joint with a pair of facing jaws on one side of the joint and a pair of handles on the other side of the joint. The handles are ergonomically designed for user comfort. One of the handles is curved about a variable radius on one side only of the handle. The other handle has a complex curvature about centers on both sides of that handle. The handles are covered with sleeves that extend on the outside of the handle from the end to the pivot joint.
    Type: Grant
    Filed: April 5, 1999
    Date of Patent: May 22, 2001
    Assignee: Ideal Industries, Inc.
    Inventors: Bruce P. Konen, Robert F. Pierson