Annual report of the Commissioner of Patents for the year .. (1871)
United States. Patent Office · Washington : G.P.O · leaf 337
ILLUSTRATIONS OF PATENTS 15,940. 115,921. TIIOMAS E. C. BRINLY. ALONZO W. CRAM, jonx V. WOODHOUSE, COTTON-SEED PLANTERS. FURNACES FOR SMELTING UEAD ORES. RAILWAV-SWITCH SIGNALS. SAMUEL R. BROOKS. NOTATORS FOR MUSIC. JOSEPH WORELL. PAPER-CUTTERS. 113,937 JOSEPH W. CREMLN WATER-METERS. 115,981 SAM… … 113,939 tlLOyD DAY,CORN-SHELLERS. LOUIS R. BOYD, 113,997 SCREW-CAPS FOR CANS. ia,vaa JAMES M. CONNER, ORNAMENTING PRINTERS' RULES. I15.92G JOHN EDWARD BINGHAM ELECTRO SLATING WITH TIN. 113,038 GILBERT BRADFORD. STEAM-ENGINES. 113,933 MARTHA J. 0OSTON, 113.940 AUGUSTUS 11. DE BOUCHET, PYROTECHNIC…
United States. Patent Office · Patents
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