A digest of patents,
issued by the United States, from 1790 to January 1, 1839: published by act of Congress, under the superintendence of the commissioner of patents, Henry L. Ellsworth. To which is added the present law relating to patents.

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Corporate Author
United States. Patent Office.
Related Names
Ellsworth, Henry Leavitt, 1791-1858.
Language(s)
English
Published
Washington, Printed by P. Force, 1840.
Subjects
Patents > United States.
Physical Description
xix, 670, [2] p. 24 1/2cm.
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