2879501

Information

• Patent Grant
• 2879501

• References
• Source

• Patent Number

  2,879,501

• Date Filed

  Not available

• Date Issued

  Tuesday, March 24, 1959
  65 years ago

• CPC

  • G05D3/124 - with modulation

• US Classifications

  • 340 - Communications: electrical
  • 178 - Telegraphy