Inventor Cochrane, Peter J.
Invention Railway Crossing
Residence Charleston
Dated 8/16/1881
Patent 245,790
Class 246/462
Assign *
US Patent Office Record http://patft1.uspto.gov/netacgi/nph-Parser?patentnumber=0245790
Local Copy of Patent Docs http://library.clemson.edu/scpatimages/index.php?pn=245790