Inventor Mason, Charles Thomas jr.
Invention Cotton Gin
Residence Sumter
Dated 4/21/1885
Patent 316,379
Class 19/63
Assign the Mason Cotton Gin Cylinder Company, of Charleston, SC
US Patent Office Record http://patft1.uspto.gov/netacgi/nph-Parser?patentnumber=0316379
Local Copy of Patent Docs http://library.clemson.edu/scpatimages/index.php?pn=316379