Patents by Inventor Stephen C. Spencer

Stephen C. Spencer 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).

  • Clearance gauge for setting a tool above a workpiece
    Patent number: 4813152
    Abstract: A lever-actuated dial gauge supported above a workpiece by a base block. The lever includes a pedal portion which, when parallel to the workpiece, has a working clearance beneath it. When setting the height of machine tools above a workpiece, an operator may exceed the set point clearance without making a hard contact and thereby preventing damage to the machine tool.
    Type: Grant
    Filed: September 14, 1987
    Date of Patent: March 21, 1989
    Inventor: Stephen C. Spencer