Inventor Hefner, William H.
Invention Gate
Residence Rock Hill
Dated 5/12/1896
Patent 559,799
Class *
Assign *
US Patent Office Record http://patft1.uspto.gov/netacgi/nph-Parser?patentnumber=0559799
Local Copy of Patent Docs http://library.clemson.edu/scpatimages/index.php?pn=559799