Patents by Inventor Douglas F. Jones

Douglas F. Jones 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).

  • Rolling straight edge
    Patent number: D243013
    Type: Grant
    Filed: February 15, 1974
    Date of Patent: January 11, 1977
    Inventors: Douglas F. Jones, Eugene F. Costa
  • Mallard tail feather-pin or similar article
    Patent number: D258355
    Type: Grant
    Filed: February 22, 1979
    Date of Patent: February 24, 1981
    Inventors: Douglas F. Jones, David R. Forbes