Inventor Duc, Henry A., Jr.
Invention Grinding Mill
Residence Charleston
Dated 4/28/1891
Patent 451,111
Class *
Assign *
US Patent Office Record http://patft1.uspto.gov/netacgi/nph-Parser?patentnumber=0451111
Local Copy of Patent Docs http://library.clemson.edu/scpatimages/index.php?pn=451111