2257092

Information

• Patent Grant
• 2257092

• References
• Source

• Patent Number

  2,257,092

• Date Filed

  Not available

• Date Issued

  Tuesday, September 30, 1941
  83 years ago

• CPC

  • H03D3/12 - by means of discharge tubes having more than two electrodes
  • H04B14/006 - Angle modulation

• US Classifications

  • 455 - Telecommunications
  • 332 - Modulators