2487118

Information

• Patent Grant
• 2487118

• References
• Source

• Patent Number

  2,487,118

• Date Filed

  Not available

• Date Issued

  Tuesday, November 8, 1949
  76 years ago

• CPC

  • H04L19/00 - Apparatus or local circuits for step-by-step systems

• US Classifications

  • 178 - Telegraphy