2549469

Information

• Patent Grant
• 2549469

• References
• Source

• Patent Number

  2,549,469

• Date Filed

  Not available

• Date Issued

  Tuesday, April 17, 1951
  73 years ago

• CPC

  • G11B5/642 - self supporting magnetic material
  • Y10S29/028 - Magnetic recording digest

• US Classifications

  • 148 - Metal treatment
  • 029 - Metal working
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER