3002187

Information

• Patent Grant
• 3002187

• References
• Source

• Patent Number

  3,002,187

• Date Filed

  Not available

• Date Issued

  Tuesday, September 26, 1961
  63 years ago

• CPC

  • G10K1/066 - the sounding member being a tube, plate or rod

• US Classifications

  • 340 - Communications: electrical