1341340

Information

• Patent Grant
• 1341340

• References
• Source

• Patent Number

  1,341,340

• Date Filed

  Not available

• Date Issued

  Tuesday, May 25, 1920
  104 years ago

• CPC

  • H02M3/40 - wherein the parts are rotating and collectors co-operate with brushes or rollers

• US Classifications

  • 363 - Electric power conversion systems