Patents by Inventor Ralph Jackson

Ralph Jackson 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: D243299
    Type: Grant
    Filed: September 30, 1975
    Date of Patent: February 8, 1977
    Inventor: Ralph Jackson
  • Patent number: D243303
    Type: Grant
    Filed: September 30, 1975
    Date of Patent: February 8, 1977
    Inventor: Ralph Jackson