2201807

Information

• Patent Grant
• 2201807

• References
• Source

• Patent Number

  2,201,807

• Date Filed

  Not available

• Date Issued

  Tuesday, May 21, 1940
  85 years ago

• CPC

  • G01S3/065 - by using non-directional aerial

• US Classifications

  • 343 - Communications: radio wave antennas