United States Patents
setName: label: See more items in
content: Charles A. Carlson Papers
label: See more items in
content: Charles A. Carlson Papers / Series 1: Patents
physdesc: label: Extent
content: 4 Letters
label: Extent
content: 12 Documents
label: Extent
content: 1 Envelope
unitdate: label: Date
content: 1907-1949
container: label: Container
content: Box 1, Folder 1
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials
label: Type
content: Letters
label: Type
content: Documents
label: Type
content: Envelopes
scopecontent: label: Scope and Contents
content: Patents filed in the United States by Charles A. Carlson and other inventors relating to internal combustion engines. Also includes correspondence regarding Carlson's patent applications and the envelope which the patents were originally stored in.