U.S. Patent 636,256
odd: label: General
content: Apparatus for simultaneously purifying cooling, and regulating moisture of air. U.S. Patent 636,256, filed June 29, 1898, and issued November 7, 1899.
name: label: Collection Creator
content: Gates, Elmer, 1859-1923
setName: label: See more items in
content: Elmer Gates Papers
label: See more items in
content: Elmer Gates Papers / Series 4: Patents / 4.1: United States Patents (issued)
unitdate: label: Date
content: November 7, 1899
container: label: Container
content: Box 2, Folder 2
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials
label: Type
content: Text