3688565

Information

• Patent Grant
• 3688565

• References
• Source

• Patent Number

  3,688,565

• Date Filed

  Not available

• Date Issued

  Tuesday, September 5, 1972
  52 years ago

• CPC

  • G01B17/02 - for measuring thickness
  • Y10S73/901 - Digital readout

• US Classifications

  • 073 - Measuring and testing