Patents by Inventor David E. Keasling

David E. Keasling 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).

  • Knurling tool
    Patent number: 4030331
    Abstract: A knurling tool having three knurling wheels adapted to be positioned about a workpiece to be knurled and in which one of these knurling wheels is mounted on a movable block which is adjustably positionable against the workpiece. A quick release mechanism is included which will release the workpiece without affecting the relative working position of the knurling rollers.
    Type: Grant
    Filed: December 27, 1976
    Date of Patent: June 21, 1977
    Inventor: David E. Keasling