Patents by Inventor Kay D. Keller

Kay 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).

  • Canine collar
    Patent number: D503248
    Type: Grant
    Filed: February 26, 2004
    Date of Patent: March 22, 2005
    Inventors: Robert Linton, Kay D. Keller
  • Canine collar with handle
    Patent number: D503501
    Type: Grant
    Filed: February 26, 2004
    Date of Patent: March 29, 2005
    Inventors: Robert Linton, Kay D. Keller