Patents by Inventor Thomas F. Sellers

Thomas F. Sellers 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).

  • Metallic cable-locating apparatus and method having an image capturing means
    Patent number: 5438265
    Abstract: A probe (10) for locating a buried cable (12) includes a casing (16) adapted to be driven into the earth (14). Situated in the casing is an RF receiver (23) for sensing RF energy radiated by the cable to establish the cable's approximate location. The casing also has a viewing window (19) in its lower tip (18) in optical communication with a television camera (30). The camera allows the cable, once its approximate location is established by the RF receiver, to be visually identified.
    Type: Grant
    Filed: September 23, 1993
    Date of Patent: August 1, 1995
    Assignee: AT&T Corp.
    Inventors: Hossein Eslambolchi, Thomas F. Sellers