Annual report of the Commissioner of Patents for the year 1889

APA Citation
United States. Patent Office. (1860). Annual report of the Commissioner of Patents for the year (1889). G.P.O. Retrieved from https://library.si.edu/digital-library/book/annualreportofco1889unit

MLA Citation
United States. Patent Office. Annual report of the Commissioner of Patents for the year, 1889, G.P.O, 1860, https://library.si.edu/digital-library/book/annualreportofco1889unit

Chicago
United States. Patent Office. Annual report of the Commissioner of Patents for the year 1889. G.P.O, 1860. https://library.si.edu/digital-library/book/annualreportofco1889unit

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