Inventor Ravenel, St. Julian
Invention Stone, Artificial
Residence Charleston
Dated 8/12/1856
Patent 15526
Class *
Assign *
US Patent Office Record http://patft1.uspto.gov/netacgi/nph-Parser?patentnumber=0015526
Local Copy of Patent Docs http://library.clemson.edu/scpatimages/index.php?pn=15526