1564201

Information

• Patent Grant
• 1564201

• References
• Source

• Patent Number

  1,564,201

• Date Filed

  Not available

• Date Issued

  Tuesday, December 8, 1925
  99 years ago

• CPC

  • H04B3/26 - Improving frequency characteristic by the use of loading coils

• US Classifications

  • 178 - Telegraphy