Inventor Duffy, Nicholas G.
Invention Proof Press
Residence Charleston
Dated 9/27/1892
Patent 483,433
Class *
Assign *
US Patent Office Record http://patft1.uspto.gov/netacgi/nph-Parser?patentnumber=0483433
Local Copy of Patent Docs http://library.clemson.edu/scpatimages/index.php?pn=483433