3699427

Information

• Patent Grant
• 3699427

• References
• Source

• Patent Number

  3,699,427

• Date Filed

  Not available

• Date Issued

  Tuesday, October 17, 1972
  52 years ago

• CPC

  • G01R17/00 - Measuring arrangements involving comparison with a reference value
  • G05D3/1418 - with ac amplifier chain

• US Classifications

  • 318 - Electricity: motive power systems