3297833

Information

• Patent Grant
• 3297833

• References
• Source

• Patent Number

  3,297,833

• Date Filed

  Not available

• Date Issued

  Tuesday, January 10, 1967
  58 years ago

• CPC

  • H04B17/409 - by means of resistance, voltage or current measurement

• US Classifications

  • 379 - Telephonic communications