Patents by Inventor Larry D. Keller

Larry D. Keller 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).

  • Felted pool bridge
    Patent number: D485319
    Type: Grant
    Filed: March 19, 2003
    Date of Patent: January 13, 2004
    Inventor: Larry D. Keller
  • Adjustable pool bridge
    Patent number: D486193
    Type: Grant
    Filed: January 14, 2003
    Date of Patent: February 3, 2004
    Inventor: Larry D. Keller