Inventor Panknin, Charles F.
Invention Improvement in Fertilizers
Residence Charleston
Dated 8/7/1877
Patent 193,890
Class 71/48
Assign *
US Patent Office Record http://patft1.uspto.gov/netacgi/nph-Parser?patentnumber=0193890
Local Copy of Patent Docs http://library.clemson.edu/scpatimages/index.php?pn=193890