Correspondence regarding European patent "Subsurface Pressure Actuated Well Apparatus"
name: label: Collection Creator
content: Scherbatskoy, Serge A., 1908-2002
setName: label: See more items in
content: Serge A. Scherbatskoy Papers
label: See more items in
content: Serge A. Scherbatskoy Papers / Series 11: Patents / 11.1: Well Logging Patents
unitdate: label: Date
content: 1997-1998
container: label: Container
content: Box 32, Folder 13
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials