3290684

Information

• Patent Grant
• 3290684

• References
• Source

• Patent Number

  3,290,684

• Date Filed

  Not available

• Date Issued

  Tuesday, December 6, 1966
  59 years ago

• CPC

  • H01Q3/2629 - Combination of a main antenna unit with an auxiliary antenna unit
  • G01S3/065 - by using non-directional aerial

• US Classifications

  • 342 - Communications: directive radio wave systems and devices