Patents by Inventor John J. Dolfi

John J. Dolfi 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).

  • Repeatable dovetail jig
    Patent number: 4462440
    Abstract: A jig for cutting pins and tails in the edges of boards for use in forming a dovetail joint between the boards. The jig has a rectangular base with a first leg attached along one elongated edge and extending at a right angle to one surface of the base and a second leg attached along the opposite elongated edge and extending at a right angle to the other surface of the base. The first leg has a plurality of angled saw guide kerfs and a plurality of angled saw guide kerfs located in the base are connected with the saw guide kerfs in the first leg for cutting tails. The second leg has a plurality of angled saw guide kerfs and a plurality of angled saw guide kerfs located in the base are connected with the saw guide kerfs in the second leg for cutting pins. Adjustment screws may extend through the first leg to adjust the tolerance between the pins and the tails.
    Type: Grant
    Filed: November 30, 1983
    Date of Patent: July 31, 1984
    Inventor: John J. Dolfi