1339192

Information

• Patent Grant
• 1339192

• References
• Source

• Patent Number

  1,339,192

• Date Filed

  Not available

• Date Issued

  Tuesday, May 4, 1920
  104 years ago

• CPC

  • H02H7/097 - against wrong direction of rotation

• US Classifications

  • 361 - Electricity: electrical systems and devices