2969429

Information

• Patent Grant
• 2969429

• References
• Source

• Patent Number

  2,969,429

• Date Filed

  Not available

• Date Issued

  Tuesday, January 24, 1961
  64 years ago

• CPC

  • H04L17/02 - Apparatus or circuits at the transmitting end
  • H04M17/023 - Circuit arrangements

• US Classifications

  • 178 - Telegraphy
  • 400 - Typewriting machines