909275

Information

• Patent Grant
• 909275

• References
• Source

• Patent Number

  909,275

• Date Filed

  Not available

• Date Issued

  Tuesday, January 12, 1909
  116 years ago

• CPC

  • B02C15/123 - with rings and interposed rollers

• US Classifications

  • 241 - Solid material comminution or disintegration