Patents Related to Electron Tube Constitution and Circuits
name: label: Collection Creator
content: Du Mont, Allen B. (Allen Balcom), 1901-1965
setName: label: See more items in
content: Allen Balcom Du Mont Collection
label: See more items in
content: Allen Balcom Du Mont Collection / Series 4: Allen B. DuMont Laboratories Inc. Patents and Legal Proceedings / 4.2: Patents—not DuMont
unitdate: label: Date
content: 1884-1933
container: label: Container
content: Box 9 (Series 4), Folder 6-7
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials