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Official Gazette of the United States Patent Office
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Index of Patents Issued from the United States Patent Office
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The Story of the United States Patent Office
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The Story of the U.S. Patent and Trademark Office
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Rules of Practice of the United States Patent Office in ...
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Rules of practice in the United States Patent Office in ...
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Engineers/Scientists: United States Patent Office
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Rules of practice in the United States Patent Office in ...
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Subject-matter Index of Patents for Inventions Issued by the ...
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United States Trade-mark Statutes, and Rules of Practice in ...
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