2091620

Information

• Patent Grant
• 2091620

• References
• Source

• Patent Number

  2,091,620

• Date Filed

  Not available

• Date Issued

  Tuesday, August 31, 1937
  87 years ago

• CPC

  • B03B5/08 - on vanners

• US Classifications

  • 209 - Classifying, separating, and assorting solids