3538406

Information

• Patent Grant
• 3538406

• References
• Source

• Patent Number

  3,538,406

• Date Filed

  Not available

• Date Issued

  Tuesday, November 3, 1970
  55 years ago

• CPC

  • G06K13/20 - Details

• US Classifications

  • 318 - Electricity: motive power systems
  • 388 - Electricity: motor control systems