Subject-matter index of patents for inventions issued by the United States Patent Office from 1790 to 1873, inclusive.
Contributors: Leggett, Mortimer Dormer, 1821-1896.
Series: America in two centuries, an inventory
Publisher: Arno Press
Published: 1976
Place of publication: New York
Language: eng
Number of pages: 1951
Subjects: Patents -- United States -- Indexes.
Other titles: Patents for inventions: 1790-1873.
Notes: On spine: Subject index of patents for inventions; 1790-1873.
Reprint of the 1874 ed. published by Government Printing Office, Washington.