Patents by Inventor Carl E. Craig

Carl E. Craig 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).

  • Trailer hitch guide
    Patent number: D311511
    Type: Grant
    Filed: June 13, 1988
    Date of Patent: October 23, 1990
    Inventor: Carl E. Craig
  • Cinder block
    Patent number: D377397
    Type: Grant
    Filed: November 16, 1995
    Date of Patent: January 14, 1997
    Inventor: Carl E. Craig