Patents by Inventor John S. B. Logan, Jr.

John S. B. Logan, Jr. 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: 4538881
    Abstract: There is disclosed an undersea communications cable containing optical fibers. The cable is fabricated so that fiber optical loss characteristics vary only slightly with changes in tensile strain in the cable.
    Type: Grant
    Filed: February 24, 1983
    Date of Patent: September 3, 1985
    Assignee: AT&T Bell Laboratories
    Inventors: Stephen N. Anctil, Robert F. Gleason, Don A. Hadfield, John S. B. Logan, Jr., Alfred G. Richardson
  • Patent number: 4484963
    Abstract: There is disclosed a method for fabricating an undersea communications cable containing optical fibers. The cable is fabricated so that fiber optical loss characteristics vary only slightly with changes in strain in the cable. During fabrication an adhesive bonds the cable core containing the optical fibers to a layer of steel wire for preventing creep therebetween.
    Type: Grant
    Filed: February 24, 1983
    Date of Patent: November 27, 1984
    Assignee: AT&T Bell Laboratories
    Inventors: Stephen N. Anctil, Robert F. Gleason, Don A. Hadfield, John S. B. Logan, Jr., Alfred G. Richardson