1543475

Information

• Patent Grant
• 1543475

• References
• Source

• Patent Number

  1,543,475

• Date Filed

  Not available

• Date Issued

  Tuesday, June 23, 1925
  99 years ago

• CPC

  • H03B11/06 - by mechanical interrupter

• US Classifications

  • 331 - Oscillators
  • 332 - Modulators
  • 363 - Electric power conversion systems