Patents by Inventor Stephen J. Dergo

Stephen J. Dergo 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).

  • Dowel drill fixture
    Patent number: 4449867
    Abstract: Disclosed in an all-angle dowel drill fixture having a drill guide block and a clamping assembly pivotally mounted on a base plate. The drill guide block can be selectively positioned and pivoted to provide a drill guide for drilling matching dowel holes in the ends of workpieces for end to end dowelling or selectively positioned to provide a drill guide for drilling matching dowel holes in the sides of workpieces for edge to edge dowelling.
    Type: Grant
    Filed: May 25, 1982
    Date of Patent: May 22, 1984
    Inventor: Stephen J. Dergo
  • Dowel drill fixture
    Patent number: 4332514
    Abstract: Disclosed is an all-angle dowel drill fixture having a drill guide block and a clamping assembly pivotally mounted on a base plate. The drill guide block can be selectively positioned and pivoted to provide a drill guide for drilling matching dowel holes in the ends of workpieces for end to end dowelling or selectively positioned to provide a drill guide for drilling matching dowel holes in the sides of workpieces for edge to edge dowelling.
    Type: Grant
    Filed: December 5, 1979
    Date of Patent: June 1, 1982
    Inventor: Stephen J. Dergo