3549975

Information

• Patent Grant
• 3549975

• References
• Source

• Patent Number

  3,549,975

• Date Filed

  Not available

• Date Issued

  Tuesday, December 22, 1970
  55 years ago

• CPC

  • H03J1/18 - Control by auxiliary power

• US Classifications

  • 318 - Electricity: motive power systems