Inventor Brotherhood, Fred
Invention Apparatus for Washing Phosphate Rock, Ores, etc.
Residence Charleston
Dated 5/27/1884
Patent 299,337
Class 209/44
Assign *
US Patent Office Record http://patft1.uspto.gov/netacgi/nph-Parser?patentnumber=0299337
Local Copy of Patent Docs http://library.clemson.edu/scpatimages/index.php?pn=299337