COMMUNICATIONS RECEIVED. [OFFICIAL.) INDEX OF INVENTIONS Letters patent of the tinned States were Granted in the Week ending August 10 1875 AND EACH BEARING THAT DATIL DESIGNS PATENTED. SCHEDULE OF PATENT FEES. CANADIAN PATENTS., scientific american, 75-09-11


COMMUNICATIONS RECEIVED. [OFFICIAL.) INDEX OF INVENTIONS Letters patent of the tinned States were Granted in the Week ending August 10 1875 AND EACH BEARING THAT DATIL DESIGNS PATENTED. SCHEDULE OF PATENT FEES. CANADIAN PATENTS., scientific american, 75-09-11


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