Author: Us Patent Office
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Subject-matter index of patents for inventions issued by the United States Patent office from 1790 to 1873, inclusive...Vol 3
Us Patent OfficeCurrent price €31.20Original price €32.50Current price €31.20Original price €32.50Save 4% -
Subject-matter index of patents for inventions issued by the United States Patent office from 1790 to 1873, inclusive...Vol 2
Us Patent OfficeCurrent price €43.19Original price €47.99Current price €43.19Original price €47.99Save 10% -
Subject-matter index of patents for inventions issued by the United States Patent office from 1790 to 1873, inclusive...Vol 2
Us Patent OfficeCurrent price €35.09Original price €38.99Current price €35.09Original price €38.99Save 10% -
Subject-matter index of patents for inventions issued by the United States Patent office from 1790 to 1873, inclusive...Vol 3
Us Patent OfficeCurrent price €49.91Original price €51.99Current price €49.91Original price €51.99Save 4%
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