Patents by Inventor Craig C. Karr

Craig C. Karr 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: D303974
    Type: Grant
    Filed: May 1, 1986
    Date of Patent: October 10, 1989
    Inventor: Craig C. Karr
  • Patent number: D355471
    Type: Grant
    Filed: December 9, 1991
    Date of Patent: February 14, 1995
    Inventors: Craig C. Karr, Arthur W. Saunders