1954170

Information

• Patent Grant
• 1954170

• References
• Source

• Patent Number

  1,954,170

• Date Filed

  Not available

• Date Issued

  Tuesday, April 10, 1934
  91 years ago

• CPC

  • H04L15/16 - with keyboard co-operating with code discs

• US Classifications

  • 341 - Coded data generation or conversion