Inventor Tobin, John Rick
Invention Grinding Mill
Residence Charleston
Dated 11/4/1890
Patent 440,072
Class *
Assign *
US Patent Office Record http://patft1.uspto.gov/netacgi/nph-Parser?patentnumber=0440072
Local Copy of Patent Docs http://library.clemson.edu/scpatimages/index.php?pn=440072