2992422

Information

• Patent Grant
• 2992422

• References
• Source

• Patent Number

  2,992,422

• Date Filed

  Not available

• Date Issued

  Tuesday, July 11, 1961
  63 years ago

• CPC

  • G01S11/023 - using impedance elements varying with distance

• US Classifications

  • 342 - Communications: directive radio wave systems and devices
  • 340 - Communications: electrical