3549947

Information

• Patent Grant
• 3549947

• References
• Source

• Patent Number

  3,549,947

• Date Filed

  Not available

• Date Issued

  Tuesday, December 22, 1970
  54 years ago

• CPC

  • G05D3/124 - with modulation
  • G05D3/122 - without modulation

• US Classifications

  • 318 - Electricity: motive power systems