2664742

Information

• Patent Grant
• 2664742

• References
• Source

• Patent Number

  2,664,742

• Date Filed

  Not available

• Date Issued

  Tuesday, January 5, 1954
  71 years ago

• CPC

  • G01N9/30 - by using centrifugal effects

• US Classifications

  • 073 - Measuring and testing