John N. Ringelberg John N. Ringelberg Captain Ringelberg has over 30 years experience in shipbuilding, repair, operations, ship design, and related marine and industrial engineering work. His merchant marine, navy, …
John N. Ringelberg
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News: The Society of Naval Architects and Marine Engineers (SNAME) Elects New Fellows.
August 1, 2009 by Ross TailorSubjects: Douglas Wolff, engineer, Harilaos Psaraftis, James A. Cole, John N. Ringelberg, naval architect, Russell Bowler, SNAME, The Society of Naval Architects and Marine Engineers, Yacht Designers | Comments (0)