Inventor Roberts, Theophilus N.
Invention Improvement in Alarm Locks
Residence Columbia
Dated 6/3/1879
Patent 216,219
Class 116/11
Assign *
US Patent Office Record http://patft1.uspto.gov/netacgi/nph-Parser?patentnumber=0216219
Local Copy of Patent Docs http://library.clemson.edu/scpatimages/index.php?pn=216219