Inventor Middleton, Henry
Invention Improvement in Telegraph Registers and Sounders
Residence Charleston
Dated 7/29/1874
Patent 153,593
Class 178/77
Assign *
US Patent Office Record http://patft1.uspto.gov/netacgi/nph-Parser?patentnumber=0153,593
Local Copy of Patent Docs http://library.clemson.edu/scpatimages/index.php?pn=153593