Inventor Campbell, William S.
Invention Car Coupling
Residence Hamer
Dated 5/16/1893
Patent 497,626
Class *
Assign *
US Patent Office Record http://patft1.uspto.gov/netacgi/nph-Parser?patentnumber=0497626
Local Copy of Patent Docs http://library.clemson.edu/scpatimages/index.php?pn=497626