Patents -- United States
Subject Source: Library of Congress Subject Headings
Found in 3 Collections and/or Records:
Call Number: WA MSS S-1307
The papers contain correspondence, business and legal papers, diaries, and other papers documenting the mining interests and family history of John Louville, Edwin Ruthven, Charles Harris, and Joseph Wilson Emerson of Portland, Maine and Colorado.
Call Number: MS 327
Abstract: The papers consist of correspondence, letterbooks, patents, and printed material which relate to Sylvanus Dyer Locke's patented self-binding harvester and other inventions. Correspondents include attorneys, patent solicitors, and other manufacturers of farm equipment and heavy machinery. Some materials also relate to Sylvanus D. Locke, Jr. and the Locke Steel Chain Company of Bridgeport, Connecticut. The additions to the papers contains family correspondence, photographs, and academic...
Call Number: MS 554
Abstract: The papers consist of correspondence and business papers relating to Eli Whitney's interests in developing the cotton gin and the manufacture of firearms employing a system of interchangeable parts. The papers include land records relating to the acquisition of property for the mill site, patents on inventions, account books and other financial records, and contracts and drawings concerning firearms production. Also included in the papers are records of Eli Whitney's estate, papers of Eli...
Dates: 1716-1959, bulk 1785-1881