1792637

Information

• Patent Grant
• 1792637

• References
• Source

• Patent Number

  1,792,637

• Date Filed

  Not available

• Date Issued

  Tuesday, February 17, 1931
  93 years ago

• CPC

  • G11B3/18 - Damping by using viscosity effect

• US Classifications

  • 369 - Dynamic information storage or retrieval