3138664

Information

• Patent Grant
• 3138664

• References
• Source

• Patent Number

  3,138,664

• Date Filed

  Not available

• Date Issued

  Tuesday, June 23, 1964
  60 years ago

• CPC

  • H04L17/12 - Automatic transmitters

• US Classifications

  • 178 - Telegraphy
  • 235 - Registers