Inventor Cardarelli, Emilio
Invention Step and Extension Ladder
Residence Sumter
Dated 10/15/1895
Patent 548,111
Class *
Assign assignor to the Cardarelli Manufacturing Company, of Portland Maine
US Patent Office Record http://patft1.uspto.gov/netacgi/nph-Parser?patentnumber=0548111
Local Copy of Patent Docs http://library.clemson.edu/scpatimages/index.php?pn=548111