Inventor Christopher, Calvin F.
Invention Steam Engine
Residence Spartanburg
Dated 6/6/1893
Patent 498,895
Class *
Assign by direct and mesne assignments, to the Christopher Rotary Circular Steam C... more
by direct and mesne assignments, to the Christopher Rotary Circular Steam Cylinder Company
US Patent Office Record http://patft1.uspto.gov/netacgi/nph-Parser?patentnumber=0498895
Local Copy of Patent Docs http://library.clemson.edu/scpatimages/index.php?pn=498895