999987

Information

• Patent Grant
• 999987

• References
• Source

• Patent Number

  999,987

• Date Filed

  Not available

• Date Issued

  Tuesday, August 8, 1911
  113 years ago

• CPC

  • H02K47/28 - operating as commutator machines with added slip-rings

• US Classifications

  • 363 - Electric power conversion systems
  • 318 - Electricity: motive power systems
  • 322 - Electricity: single generator systems