Digest of patents issued by U.S., from 1790 to Jan. 1, 1839 : Published by act of Congress, under superintendence of Commissioner of Patents, Henry L. Ellsworth, to which is added present laws relating to patents.

Bibliographic Details
Corporate Author:	United States. Department of State
Format:	Government Document eBook
Language:	English
Published:	[Washington] : Printed by Peter Force, 1840.
Subjects:	United States. > Laws, etc. (Statutes of the United States) Agricultural machinery. Metals. Patents. Electronic books.
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