1835072

Information

• Patent Grant
• 1835072

• References
• Source

• Patent Number

  1,835,072

• Date Filed

  Not available

• Date Issued

  Tuesday, December 8, 1931
  93 years ago

• CPC

  • H04R11/10 - comprising two or more styli or transducers
  • H04R11/08 - Gramophone pick-ups using a stylus Recorders using a stylus

• US Classifications

  • 369 - Dynamic information storage or retrieval