690278

Information

• Patent Grant
• 690278

• References
• Source

• Patent Number

  690,278

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1901
  123 years ago

• CPC

  • B03B5/64 - of the free settling type

• US Classifications

  • 209 - Classifying, separating, and assorting solids