3573818

Information

• Patent Grant
• 3573818

• References
• Source

• Patent Number

  3,573,818

• Date Filed

  Not available

• Date Issued

  Tuesday, April 6, 1971
  53 years ago

• CPC

  • G01S11/08 - using synchronised clocks
  • G05D1/104 - involving a plurality of aircrafts
  • B64D2700/6221 - using electrical means

• US Classifications

  • 342 - Communications: directive radio wave systems and devices