993375

Information

• Patent Grant
• 993375

• References
• Source

• Patent Number

  993,375

• Date Filed

  Not available

• Date Issued

  Tuesday, May 30, 1911
  113 years ago

• CPC

  • H01T13/42 - with magnetic spark generators

• US Classifications

  • 123 - Internal-combustion engines
  • 315 - Electric lamp and discharge devices: systems