Inventor Thompson, John S.
Invention Dentist's Chair
Residence Greenville
Dated 2/14/1882
Patent 253,640
Class 248/397
Assign *
US Patent Office Record http://patft1.uspto.gov/netacgi/nph-Parser?patentnumber=0253640
Local Copy of Patent Docs http://library.clemson.edu/scpatimages/index.php?pn=253640