Patents by Inventor Rupert T. Ryan

Rupert T. Ryan 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: D299607
    Type: Grant
    Filed: December 12, 1985
    Date of Patent: January 31, 1989
    Inventor: Rupert T. Ryan