2539525

Information

• Patent Grant
• 2539525

• References
• Source

• Patent Number

  2,539,525

• Date Filed

  Not available

• Date Issued

  Tuesday, January 30, 1951
  73 years ago

• CPC

  • G05D3/124 - with modulation

• US Classifications

  • 318 - Electricity: motive power systems
  • 315 - Electric lamp and discharge devices: systems