2820854

Information

• Patent Grant
• 2820854

• References
• Source

• Patent Number

  2,820,854

• Date Filed

  Not available

• Date Issued

  Tuesday, January 21, 1958
  67 years ago

• CPC

  • H04R11/10 - comprising two or more styli or transducers
  • H04R1/16 - Mounting or connecting stylus to transducer with or without damping means

• US Classifications

  • 369 - Dynamic information storage or retrieval