2153857

Information

• Patent Grant
• 2153857

• References
• Source

• Patent Number

  2,153,857

• Date Filed

  Not available

• Date Issued

  Tuesday, April 11, 1939
  86 years ago

• CPC

  • H04B3/147 - fixed equalisers

• US Classifications

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