3390887

Information

• Patent Grant
• 3390887

• References
• Source

• Patent Number

  3,390,887

• Date Filed

  Not available

• Date Issued

  Tuesday, July 2, 1968
  56 years ago

• CPC

  • G11B19/265 - Friction wheel drive

• US Classifications

  • 360 - Dynamic magnetic information storage or retrieval
  • 369 - Dynamic information storage or retrieval