US 3,123,753/Bi-directional step motor drive voltage divider switching apparatus
name: label: Collection Creator
content: Brown, Brian Ivan
label: Collection Creator
content: Kearns, Robert W.
label: Collection Creator
content: Kearns, Timothy
label: Collection Creator
content: Quan, John
setName: label: See more items in
content: Robert W. Kearns Papers
label: See more items in
content: Robert W. Kearns Papers / Series 3: Patents / 3.1: Robert W. Kearns Patents
unitdate: label: Date
content: 1960 - 1960
container: label: Container
content: Box 12, Folder 7
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials