Report of the commissioner of patents, for the year 1849
Subtitle: Arts and manufactures
Contributors: Ewbank, Thomas, 1792-1870; Lincoln, Abraham, 1809-1865; United States. Congress
Series: 31st Congress, 1st session. Ho. of Reps. Ex. doc -- no. 20; Ex. doc. (United States. Congress. House) -- 31st Congress, 1st session, no. 20.
Publisher: Office of Printers to House of Reps.
Published: 1850
Place of publication: Washington [D.C.]
Language: eng
Number of pages: 626
Subjects: Aids to navigation; United States; United States. Patent Office; Patents; Inventions
Other titles: Patent Office report, 1849-50.
Notes: Contains patent no. 6469 issued to Abraham Lincoln, with title: Improved method of lifting vessels over shoals (p. 262).

Running header: Doc. no. 20.

Bound in marbled boards, with leather corners and spine, and gilt-stamped lettering on spine.

Bears handwritten inscription in ink on cover p. [2]: Kimberly.

Lincoln's patent, no. 6469 on p. 262, circled in red pencil.
Table of contents: title: Finances and statistics of the Patent Office; title: Inventions and claims; title: Examiners' and machinist's reports; title: Origin and progress of invention; title: The motors : chief levers of civilization; title: Proposed applications of the Patent Fund. Publication of specifications ; Preparation of a general analytical and descriptive index of inventions ; Institution of national prizes; title: Historical notices of inventions, from archives of the states; title: On the propulsion of steamers.