2930624

Information

• Patent Grant
• 2930624

• References
• Source

• Patent Number

  2,930,624

• Date Filed

  Not available

• Date Issued

  Tuesday, March 29, 1960
  64 years ago

• CPC

  • G10H3/03 - using pick-up means for reading recorded waves

• US Classifications

  • 369 - Dynamic information storage or retrieval
  • 984 - Musical instruments