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United States Patent Office

Author: Homer L Calkin

  • United States Patent Office

    Article

    United States Patent Office

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Calkin, H. L., (1969) “United States Patent Office”, The Palimpsest 50(7), 369-373. doi: https://doi.org/10.17077/0031-0360.24332

Rights: Copyright © 1969 State Historical Society of Iowa

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Published on
01 Jul 1969