Patents by Inventor William B. Sproat, Jr.

William B. Sproat, Jr. 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: 4497353
    Abstract: A multipurpose material working tool includes a frame on which is mounted a headstock having a spindle extending axially therefrom which is adapted to receive various rotary tools and a radial trolley adapted to move on ways toward and away from the headstock. The radial trolley is equipped with a tail stock to be used in conjunction with a face plate or headstock spur center attached to the spindle and can also be equipped with various radial tools for performing work on materials located either on the bed of the trolley or in movable radial support stands attached to the frame. The multipurpose material working tool can also include a band saw secured to the frame at a position adjacent to the work headstock and which is adapted to be driven by the same motor as that which drives the work headstock.
    Type: Grant
    Filed: September 10, 1981
    Date of Patent: February 5, 1985
    Inventor: William B. Sproat, Jr.