APPLICATIONS FOR EXTENSION OF PATENTS. Value of Extended Patents. MUNN & CO. 37 Park now. Inventions Patented in England by Americans. Foreign Patents. Inside Page 75 cents a line FACULTY. Trade-Mark Patents. MUNN & CO. 37 Park Row New York. THE SOUTHWESTERN EXPOSITION COMPANY A BIG TRADE FOR MANUFACTURERS OF STEEL OR BUILDERS' HARDWARE. Patents on Designs. MUNN & CO. No. 37 Park Row New York. Bellis' Patent Governor. Washington Iron Works, scientific american, 1871-08-12
APPLICATIONS FOR EXTENSION OF PATENTS. Value of Extended Patents. MUNN & CO. 37 Park now. Inventions Patented in England by Americans. Foreign Patents. Inside Page 75 cents a line FACULTY. Trade-Mark Patents. MUNN & CO. 37 Park Row New York. THE SOUTHWESTERN EXPOSITION COMPANY A BIG TRADE FOR MANUFACTURERS OF STEEL OR BUILDERS' HARDWARE. Patents on Designs. MUNN & CO. No. 37 Park Row New York. Bellis' Patent Governor. Washington Iron Works, scientific american, 1871-08-12
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