Patents for Inventions


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Abridgments of Specifications


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Patents for Inventions


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Pt. I. [A.D. 1839-1859] (1861) -- pt. II. A.D. 1860-1866 (2nd ed., 1872) -- pt. III. A.D. 1867-1876 (1878) -- pt. IIIa. A.D. 1877-1883 (1885).




Patents for Inventions


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