1907859

Information

• Patent Grant
• 1907859

• References
• Source

• Patent Number

  1,907,859

• Date Filed

  Not available

• Date Issued

  Tuesday, May 9, 1933
  91 years ago

• CPC

  • H02M1/146 - using discharge tubes

• US Classifications

  • 363 - Electric power conversion systems
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems