Patents by Inventor James R. Crofton

James R. Crofton 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: D255919
    Type: Grant
    Filed: December 22, 1978
    Date of Patent: July 15, 1980
    Inventor: James R. Crofton