Inventor Merriman, Perry P.
Invention Railroad Frog
Residence Hardeeville
Dated 12/1/1891
Patent 464,032
Class *
Assign *
US Patent Office Record http://patft1.uspto.gov/netacgi/nph-Parser?patentnumber=0464032
Local Copy of Patent Docs http://library.clemson.edu/scpatimages/index.php?pn=464032