2547145

Information

• Patent Grant
• 2547145

• References
• Source

• Patent Number

  2,547,145

• Date Filed

  Not available

• Date Issued

  Tuesday, April 3, 1951
  73 years ago

• CPC

  • H03F3/48 - with tubes only

• US Classifications

  • 330 - Amplifiers
  • 315 - Electric lamp and discharge devices: systems