3171890

Information

• Patent Grant
• 3171890

• References
• Source

• Patent Number

  3,171,890

• Date Filed

  Not available

• Date Issued

  Tuesday, March 2, 1965
  59 years ago

• CPC

  • H04L13/16 - of transmitters
  • H04L17/04 - with keyboard co-operating with code-bars

• US Classifications

  • 178 - Telegraphy