1739699

Information

• Patent Grant
• 1739699

• References
• Source

• Patent Number

  1,739,699

• Date Filed

  Not available

• Date Issued

  Tuesday, December 17, 1929
  95 years ago

• CPC

  • H03F1/40 - in discharge-tube amplifiers

• US Classifications

  • 330 - Amplifiers
  • 333 - Wave transmission lines and networks