3589191

Information

• Patent Grant
• 3589191

• References
• Source

• Patent Number

  3,589,191

• Date Filed

  Not available

• Date Issued

  Tuesday, June 29, 1971
  53 years ago

• CPC

  • G01F23/2924 - for several discrete levels

• US Classifications

  • 073 - Measuring and testing
  • D10 - Measuring, testing, or signalling instruments