2552146

Information

• Patent Grant
• 2552146

• References
• Source

• Patent Number

  2,552,146

• Date Filed

  Not available

• Date Issued

  Tuesday, May 8, 1951
  74 years ago

• CPC

  • H01Q19/136 - cross-polarised

• US Classifications

  • 343 - Communications: radio wave antennas