2989659

Information

• Patent Grant
• 2989659

• References
• Source

• Patent Number

  2,989,659

• Date Filed

  Not available

• Date Issued

  Tuesday, June 20, 1961
  63 years ago

• CPC

  • H01J31/508 - Multistage converters

• US Classifications

  • 313 - Electric lamp and discharge devices