Patents by Inventor Patrick L. Tiffin

Patrick L. Tiffin 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).

  • Remotely operable portable boring tool
    Patent number: 4161127
    Abstract: A boring bar apparatus for removing material from the interior of a rigid structure through an elongated cylindrical opening therein. A bar mounted for rotation within the cylindrical opening carries a cutting head whose position relative to the opening can be independently varied radially and axially as the bar rotates. In this way, precision cuts can be made on otherwise inaccessible areas of the structure.
    Type: Grant
    Filed: April 8, 1977
    Date of Patent: July 17, 1979
    Inventor: Patrick L. Tiffin
  • Facsimile transmitter console
    Patent number: D293789
    Type: Grant
    Filed: November 25, 1985
    Date of Patent: January 19, 1988
    Assignee: Ray-Vue Corp.
    Inventor: Patrick L. Tiffin
  • Receiver console
    Patent number: D297236
    Type: Grant
    Filed: November 25, 1985
    Date of Patent: August 16, 1988
    Assignee: Ray-Vue Corp.
    Inventor: Patrick L. Tiffin