Subject-matter index of patents for inventors issued by the United States Patent Office from 1790 to 1873, inclusive
By: [compiled and published under the direction of M.D. Leggett].
Contributors: Leggett, Mortimer Dormer, 1821-1896.
Series: America in two centuries, an inventory; America in two centuries
Publisher: Ayer Company Publishers
Published: 2000
Place of publication: North Stratford, NH
Language: eng
Number of pages: 1951
Subjects: Patents -- United States -- Indexes
Genres: Indexes.
Other titles: Subject-matter index of patents for inventions, 1790-1873.; Patents for inventions: 1790-1873.; Subject-matter index of patents for inventions issued by the United States Patent Office from 1790 to 1873, inclusive.
Notes: Reprint of the 1874 ed. published by Government Printing Office, Washington.