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Subject-matter index of patents for inventions issued by the United States Patent office from 1790 to 1873, inclusive...Vol 2
innbundet,
2011,
Engelsk,
ISBN 9781425588601
Subject-matter index of patents for inventions issued by the United States Patent office from 1790 to 1873, inclusive...Vol 3
innbundet,
2011,
Engelsk,
ISBN 9781607852506
Subject-Matter Index of Patents for Inventions Issued by the United States Patent Office from 1790 to 1873, Inclusive ...Volume 1
innbundet,
2001,
Engelsk,
ISBN 9781418140106