Patents by Inventor Donald R. Roach

Donald R. Roach 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).

  • Telephone
    Patent number: D291989
    Type: Grant
    Filed: June 26, 1986
    Date of Patent: September 22, 1987
    Assignee: Religious Telephone Company Ltd.
    Inventors: Donald R. Roach, Evangeline J. Boyd