1772558

Information

• Patent Grant
• 1772558

• References
• Source

• Patent Number

  1,772,558

• Date Filed

  Not available

• Date Issued

  Tuesday, August 12, 1930
  95 years ago

• CPC

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

• US Classifications

  • 178 - Telegraphy
  • 333 - Wave transmission lines and networks