1298821

Information

• Patent Grant
• 1298821

• References
• Source

• Patent Number

  1,298,821

• Date Filed

  Not available

• Date Issued

  Tuesday, April 1, 1919
  105 years ago

• CPC

  • H01T13/42 - with magnetic spark generators

• US Classifications

  • 123 - Internal-combustion engines
  • 313 - Electric lamp and discharge devices