1873987

Information

• Patent Grant
• 1873987

• References
• Source

• Patent Number

  1,873,987

• Date Filed

  Not available

• Date Issued

  Tuesday, August 30, 1932
  92 years ago

• CPC

  • H02H3/286 - involving comparison of similar homopolar quantities

• US Classifications

  • 361 - Electricity: electrical systems and devices