United States. Patent Office & ProQuest (Firm). (1843). Patent Office. Report from the Commissioner of Patents, showing the operations of the Patent Office during the year 1842. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Patent Office and ProQuest (Firm). Patent Office. Report from the Commissioner of Patents, Showing the Operations of the Patent Office During the Year 1842. Washington: [publisher not identified], 1843.
MLA (9th ed.) CitationUnited States. Patent Office and ProQuest (Firm). Patent Office. Report from the Commissioner of Patents, Showing the Operations of the Patent Office During the Year 1842. [publisher not identified], 1843.
Warning: These citations may not always be 100% accurate.