2622156

Information

• Patent Grant
• 2622156

• References
• Source

• Patent Number

  2,622,156

• Date Filed

  Not available

• Date Issued

  Tuesday, December 16, 1952
  72 years ago

• CPC

  • H04R11/08 - Gramophone pick-ups using a stylus Recorders using a stylus

• US Classifications

  • 369 - Dynamic information storage or retrieval