Patents by Inventor Hugh J. Kirkpatrick

Hugh J. Kirkpatrick 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).

  • Patent number: 4870757
    Abstract: A drywall cutting tool having an elongated handle portion and an elongated blade portion, the handle portion being of cylindrical configuration over most of its length and having a tapered end and a rounded edge, and a closed loop finger guard projecting laterally from the tapered end portion of the handle. The blade portion has an inner end captured in the handle and a pointed tip, and is of substantially uniform width and thickness along its length. The tip end has a pair of inclined sharpened edges converging to form a point, and the blade has a sharpened upper longitudinal blade edge along a portion of its length and a lower longitudinal edge of the blade formed with a row of saw teeth along its entire length.
    Type: Grant
    Filed: July 5, 1988
    Date of Patent: October 3, 1989
    Inventors: Hugh J. Kirkpatrick, Thomas J. Lee, James M. Lee
  • Patent number: D307381
    Type: Grant
    Filed: May 9, 1988
    Date of Patent: April 24, 1990
    Inventors: Hugh J. Kirkpatrick, Thomas J. Lee, James M. Lee