Patents by Inventor Patrick H. De Frahan

Patrick H. De Frahan 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: D311356
    Type: Grant
    Filed: June 29, 1988
    Date of Patent: October 16, 1990
    Assignee: Innovative Trading & Service S.A.
    Inventor: Patrick H. De Frahan
  • Patent number: D311504
    Type: Grant
    Filed: June 29, 1988
    Date of Patent: October 23, 1990
    Assignee: Innovative Trading & Services S.A.
    Inventor: Patrick H. De Frahan