The story of the American patent system, 1790-1952.

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Bibliographic Details
Corporate Author:	United States. Patent Office
Format:	Book
Language:	English
Published:	Washington, U.S. Govt. Print. Off., 1953]
Edition:	[2d ed.
Subjects:	Patent laws and legislation > United States > History. Patents > United States.

Description
Physical Description:	35p. illus. 24cm.

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