Background Research--Patents, Others
odd: label: General
content: #3,577,191 Magnetic Head Assembly, 1971 May 4

#3,579,213 Magnetic Head Accessing Mechanism Utilizing Spring Bias, 1971 May 18

#3,610,837 Glass Bonded Ceramic Body for Magnetic Head, 1971 October 5
name: label: Collection Creator
content: Begun, S. Joseph (Semi Joseph), 1905-1995
setName: label: See more items in
content: S. Joseph Begun Papers
label: See more items in
content: S. Joseph Begun Papers / Series 4: Autobiographical and Historical Materials
unitdate: label: Date
content: 1971
container: label: Container
content: Box 37, Folder 6
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials