2202368

Information

• Patent Grant
• 2202368

• References
• Source

• Patent Number

  2,202,368

• Date Filed

  Not available

• Date Issued

  Tuesday, May 28, 1940
  84 years ago

• CPC

  • G01S3/085 - by using spaced loop aerial systems
  • G01S3/12 - Means for determining sense of direction

• US Classifications

  • 343 - Communications: radio wave antennas