Inventor Gardner, Prince Albert
Invention Oscillating Hydraulic Motor
Residence Spartanburg
Dated 5/3/1892
Patent 474,238
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US Patent Office Record http://patft1.uspto.gov/netacgi/nph-Parser?patentnumber=0474238
Local Copy of Patent Docs http://library.clemson.edu/scpatimages/index.php?pn=474238