Patents by Inventor Shawn T. Vallevand

Shawn T. Vallevand 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).

  • Socket wrench
    Patent number: 4366731
    Abstract: There is provided a novel drive unit for a socket-type wrench which leads to increased speed of turning of the sockets. The unit comprises a casing; a first ratchet mechanism in said casing; a second ratchet mechanism in said casing; apparatus for selectively transmitting power from said second mechanism to said first mechanism whereby when said first mechanism is in a ratchetting mode, said second mechanism may be selected to transmit power through said first mechanism to a workpiece.
    Type: Grant
    Filed: January 2, 1981
    Date of Patent: January 4, 1983
    Inventor: Shawn T. Vallevand