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The law of patents for useful inventions. Volume 1 of 3
Excerpt from The Law of Patents for Useful Inventions
Condition of the Patent System of the United States before the Act of 1836. Patents granted without Examination....
Condition of the Patent System of the United States before the Act of 1836. Patents granted without Examination....
744 pages, Paperback
First published January 1, 2009
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