Patents by Inventor Harvel J. Tidwell

Harvel J. Tidwell 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).

  • Tool system with locking handle
    Patent number: 5685208
    Abstract: A hand tool comprising a handle (30) with handle ends (10) to which may be attached tool ends (40 & 44) of predetermined sizes for performing predetermined functions. The handle ends (10) and the tool ends (40 & 44) have matching ways (13 & 47) for slidably joining the tool ends (40 & 44) to the handle ends (10). The tool ends (40 & 44) are locked to the handle ends (10) by the use of a spring loaded ball (33) and a locking ball (20) controlled by a push rod (18) having recessed areas for containing and for locking the ball (20) to the adjacent handle end ways (13) and to the tool end ways (47).
    Type: Grant
    Filed: April 22, 1996
    Date of Patent: November 11, 1997
    Inventor: Harvel J. Tidwell