3210471

Information

• Patent Grant
• 3210471

• References
• Source

• Patent Number

  3,210,471

• Date Filed

  Not available

• Date Issued

  Tuesday, October 5, 1965
  59 years ago

• CPC

  • H04L9/38 - Encryption being effected by mechanical apparatus

• US Classifications

  • 178 - Telegraphy