3509451

Information

• Patent Grant
• 3509451

• References
• Source

• Patent Number

  3,509,451

• Date Filed

  Not available

• Date Issued

  Tuesday, April 28, 1970
  54 years ago

• CPC

  • G05F1/52 - using discharge tubes in series with the load as final control devices

• US Classifications

  • 323 - Electricity: power supply or regulation systems