1919960

Information

• Patent Grant
• 1919960

• References
• Source

• Patent Number

  1,919,960

• Date Filed

  Not available

• Date Issued

  Tuesday, July 25, 1933
  91 years ago

• CPC

  • H02P13/10 - by moving core, coil winding, or shield

• US Classifications

  • 323 - Electricity: power supply or regulation systems