3718920

Information

• Patent Grant
• 3718920

• References
• Source

• Patent Number

  3,718,920

• Date Filed

  Not available

• Date Issued

  Tuesday, February 27, 1973
  51 years ago

• CPC

  • H02H3/286 - involving comparison of similar homopolar quantities
  • H02H7/12 - for static converters or rectifiers

• US Classifications

  • 340 - Communications: electrical
  • 361 - Electricity: electrical systems and devices