Inventor Ball, Hugh S.
Invention Ruler
Residence Spartanburgh
Dated 3/7/1871
Patent 112406
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Assign *
US Patent Office Record http://patft1.uspto.gov/netacgi/nph-Parser?patentnumber=0112406
Local Copy of Patent Docs http://library.clemson.edu/scpatimages/index.php?pn=112406