Inventor Trenholm, William L.
Invention Hypohydroscope
Residence Charleston
Dated 12/12/1882
Patent 269,139
Class 359/895
Assign *
US Patent Office Record http://patft1.uspto.gov/netacgi/nph-Parser?patentnumber=0269139
Local Copy of Patent Docs http://library.clemson.edu/scpatimages/index.php?pn=269139