2185870

Information

• Patent Grant
• 2185870

• References
• Source

• Patent Number

  2,185,870

• Date Filed

  Not available

• Date Issued

  Tuesday, January 2, 1940
  85 years ago

• CPC

  • H03G3/16 - having discharge tubes

• US Classifications

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