2548981

Information

• Patent Grant
• 2548981

• References
• Source

• Patent Number

  2,548,981

• Date Filed

  Not available

• Date Issued

  Tuesday, April 17, 1951
  74 years ago

• CPC

  • G11B25/08 - using filamentary record carriers

• US Classifications

  • 360 - Dynamic magnetic information storage or retrieval
  • 242 - Winding, tensioning, or guiding