504508

Information

• Patent Grant
• 504508

• References
• Source

• Patent Number

  504,508

• Date Filed

  Not available

• Date Issued

  Tuesday, September 5, 1893
  131 years ago

• CPC

  • B02C15/123 - with rings and interposed rollers

• US Classifications

  • 241 - Solid material comminution or disintegration