3431354

Information

• Patent Grant
• 3431354

• References
• Source

• Patent Number

  3,431,354

• Date Filed

  Not available

• Date Issued

  Tuesday, March 4, 1969
  56 years ago

• CPC

  • H04L15/08 - with a single key which transmits dots in one position and dashes in a second position

• US Classifications

  • 178 - Telegraphy
  • 375 - Pulse or digital communications