2406032

Information

• Patent Grant
• 2406032

• References
• Source

• Patent Number

  2,406,032

• Date Filed

  Not available

• Date Issued

  Tuesday, August 20, 1946
  78 years ago

• CPC

  • G09C3/10 - involving removable or interchangeable coding members

• US Classifications

  • 380 - Cryptography
  • 234 - Selective cutting