2421032

Information

• Patent Grant
• 2421032

• References
• Source

• Patent Number

  2,421,032

• Date Filed

  Not available

• Date Issued

  Tuesday, May 27, 1947
  79 years ago

• CPC

  • G01S3/12 - Means for determining sense of direction

• US Classifications

  • 343 - Communications: radio wave antennas
  • 342 - Communications: directive radio wave systems and devices