Inventor Layton, Ralph De Refer
Invention Mechanical Movement
Residence St. Matthew's
Dated 2/14/1893
Patent 491,896
Class *
Assign *
US Patent Office Record http://patft1.uspto.gov/netacgi/nph-Parser?patentnumber=0491896
Local Copy of Patent Docs http://library.clemson.edu/scpatimages/index.php?pn=491896