2781908

Information

• Patent Grant
• 2781908

• References
• Source

• Patent Number

  2,781,908

• Date Filed

  Not available

• Date Issued

  Tuesday, February 19, 1957
  67 years ago

• CPC

  • B02B3/02 - by means of discs

• US Classifications

  • 209 - Classifying, separating, and assorting solids