396559

Information

• Patent Grant
• 396559

• References
• Source

• Patent Number

  396,559

• Date Filed

  Not available

• Date Issued

  Tuesday, January 22, 1889
  136 years ago

• CPC

  • B02C15/123 - with rings and interposed rollers

• US Classifications

  • 241 - Solid material comminution or disintegration