2792456

Information

• Patent Grant
• 2792456

• References
• Source

• Patent Number

  2,792,456

• Date Filed

  Not available

• Date Issued

  Tuesday, May 14, 1957
  67 years ago

• CPC

  • H04R9/12 - Gramophone pick-ups using a stylus Recorders using a stylus

• US Classifications

  • 369 - Dynamic information storage or retrieval