Patents by Inventor Joseph B. Flinn

Joseph B. Flinn 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).

  • Linear marking device
    Patent number: 4197649
    Abstract: A linear marking device is provided comprising a ruled straight edge having transparent properties and constructed with a marking implement groove and unique surface gripping strip.
    Type: Grant
    Filed: July 24, 1978
    Date of Patent: April 15, 1980
    Inventor: Joseph B. Flinn