[OFFICIAL. Index of Inventions For which Letters Patent of the United States were granted 125945 DESIGNS PATENTED. TRADE MARKS REGISTERED. BlIJNN dr C Patent Solicitors 37 Park Row Sew York. 50 Ill APPLICATIONS FOR EXTENSIONS. EXTENSIONS GRANTED. EXTENSIONS REFUSED. Value of Extended Patents. NUNN dr CO 37 Park Ro MUNN & C 37 Park Row N. Y. FOREIGN FATENTS-A HINT TO PATENTEES, scientific american, 1872-05-04
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