Patents by Inventor Doyle D. Jernigan

Doyle D. Jernigan 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: 5590881
    Abstract: An improved weighted golf iron and method of making same comprising adding a divider to a cavity in the iron, the divider dimensioned to be contained within and traverse the cavity walls, and providing means for anchoring the divider to the walls.
    Type: Grant
    Filed: July 29, 1994
    Date of Patent: January 7, 1997
    Inventor: Doyle D. Jernigan
  • Patent number: 5447310
    Abstract: A putter with an improved putting head comprising a rounded striking surface and having heel and toe portions of greater weight than equivalently sized central portions.
    Type: Grant
    Filed: April 29, 1994
    Date of Patent: September 5, 1995
    Inventor: Doyle D. Jernigan
  • Patent number: 4355808
    Abstract: The present invention provides a method for preparing an inlay in golf irons which includes preparing an iron having a large cavity in its back and placing a preselected number of small weights in the bottom inner spline of the club and covering said weights with a first layer of epoxy. A second layer of epoxy having a decorative material included is placed over the first layer shortly after the first layer has set. During the setting of the second layer it is swirled a number of times. A protective coating is applied over the second layer after it has substantially cured.
    Type: Grant
    Filed: March 27, 1981
    Date of Patent: October 26, 1982
    Assignee: Golf Division, Wood-Arts Company, Inc.
    Inventors: Doyle D. Jernigan, Margaret Caskey
  • Patent number: D271784
    Type: Grant
    Filed: March 27, 1980
    Date of Patent: December 13, 1983
    Assignee: Wood-Arts Company, Inc.
    Inventors: Margaret Caskey, Doyle D. Jernigan