2804590

Information

• Patent Grant
• 2804590

• References
• Source

• Patent Number

  2,804,590

• Date Filed

  Not available

• Date Issued

  Tuesday, August 27, 1957
  67 years ago

• CPC

  • G01R27/30 - with provision for recording characteristics

• US Classifications

  • 324 - Electricity: measuring and testing
  • 342 - Communications: directive radio wave systems and devices