2637767

Information

• Patent Grant
• 2637767

• References
• Source

• Patent Number

  2,637,767

• Date Filed

  Not available

• Date Issued

  Tuesday, May 5, 1953
  72 years ago

• CPC

  • G01N22/005 - and using Stark effect modulation

• US Classifications

  • 324 - Electricity: measuring and testing
  • 331 - Oscillators