Inventor Scanlan, Charles A.
Invention Rock Breaker and Dredger
Residence Charleston
Dated 12/18/1883
Patent 290,482
Class 299/36.1
Assign 1/3 to John G. Smith of same place
US Patent Office Record http://patft1.uspto.gov/netacgi/nph-Parser?patentnumber=0290482
Local Copy of Patent Docs http://library.clemson.edu/scpatimages/index.php?pn=290482