2389275

Information

• Patent Grant
• 2389275

• References
• Source

• Patent Number

  2,389,275

• Date Filed

  Not available

• Date Issued

  Tuesday, November 20, 1945
  79 years ago

• CPC

  • G08C19/18 - using a variable number of pulses in a train

• US Classifications

  • 340 - Communications: electrical