2790026

Information

• Patent Grant
• 2790026

• References
• Source

• Patent Number

  2,790,026

• Date Filed

  Not available

• Date Issued

  Tuesday, April 23, 1957
  67 years ago

• CPC

  • H04L13/02 - Details not particular to receiver or transmitter

• US Classifications

  • 178 - Telegraphy