Inventor Hacker, Francis B.
Invention Apparatus for Making Sulphuric Acid
Residence Charleston
Dated 8/22/1893
Patent 503,847
Class *
Assign themselves and Albert C. Johnson, of Baltimore, MD
US Patent Office Record http://patft1.uspto.gov/netacgi/nph-Parser?patentnumber=0503847
Local Copy of Patent Docs http://library.clemson.edu/scpatimages/index.php?pn=503847