Patents by Inventor Steve J. Mahaffey

Steve J. Mahaffey 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).

  • Face inserts for golf club heads
    Patent number: 5766094
    Abstract: A golf club head including a striking face comprising a recessed area in the striking face and an insert secured in the recessed area. The insert has at least one cavity therein with the cavity terminating short of the outer striking face.
    Type: Grant
    Filed: June 7, 1996
    Date of Patent: June 16, 1998
    Assignee: Lisco Inc.
    Inventors: Steve J. Mahaffey, Daniel Melanson
  • Golf club
    Patent number: D363100
    Type: Grant
    Filed: August 15, 1994
    Date of Patent: October 10, 1995
    Assignee: Lisco, Inc.
    Inventors: James M. Long, John M. Krzynowek, Steve J. Mahaffey