Inventor Petersen, Nocolai
Invention Buoyant Propeller for Vessels
Residence Charleston
Dated 4/8/1884
Patent 296,613
Class 440/26
Assign *
US Patent Office Record http://patft1.uspto.gov/netacgi/nph-Parser?patentnumber=0296613
Local Copy of Patent Docs http://library.clemson.edu/scpatimages/index.php?pn=296613