Memorandum of invention, and hints on patents .. (1883)
Hopkins, George M. (George Milton), 1842-1902 · New York, G. M. Hopkins · leaf 36
Z.-C<Z-*-C-ii3t-«^ … ^-..- i> INVENTOR WITNESS 36 MEMORANDUM OF INVENTION. Mechanical Invention or Design NAME OF INVENTION. WHEN CONCEIVED. FIRST DRAWING OR SKETCH MADE. TO WHOM SHOWN, AND WHEN AND WHERE. FIRST MODEL OR EXPERIMENT MADE. TO WHOM SHOWN, AND WHEN.THE FOLLOWING ISA DESCRIPTION OF MY IMPROVED REFERENCE…
Patents
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