Inventor Fred Brotherhood
Invention Improvement in Shafts for Ore Washers
Residence Charleston
Dated 4/6/1875
Patent 161,687
Class 416/198R
Assign *
US Patent Office Record http://patft1.uspto.gov/netacgi/nph-Parser?patentnumber=0161,687
Local Copy of Patent Docs http://library.clemson.edu/scpatimages/index.php?pn=161687