Procedure upon application for patent.

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Bibliographic Details
Corporate author / creator:United States. Congress. House. Committee on Patents.
Description:[2] p., p. 31-42.
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Format: Print Book
URL for this record:http://pi.lib.uchicago.edu/1001/cat/bib/4694916
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Notes:Hearings before the Committee on patents, House of Representatives, January 17, 1912.
William A. Oldfield, chairman.