2819438

Information

• Patent Grant
• 2819438

• References
• Source

• Patent Number

  2,819,438

• Date Filed

  Not available

• Date Issued

  Tuesday, January 7, 1958
  66 years ago

• CPC

  • G05D3/124 - with modulation

• US Classifications

  • 318 - Electricity: motive power systems
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems