3742496

Information

• Patent Grant
• 3742496

• References
• Source

• Patent Number

  3,742,496

• Date Filed

  Not available

• Date Issued

  Tuesday, June 26, 1973
  51 years ago

• CPC

  • G01S13/787 - co-operating with direction defining beacons

• US Classifications

  • 342 - Communications: directive radio wave systems and devices
  • 455 - Telecommunications