429147

Information

• Patent Grant
• 429147

• References
• Source

• Patent Number

  429,147

• Date Filed

  Not available

• Date Issued

  Tuesday, June 3, 1890
  134 years ago

• CPC

  • B01D29/0063 - which are open-ended

• US Classifications

  • 209 - Classifying, separating, and assorting solids