1017780

Information

• Patent Grant
• 1017780

• References
• Source

• Patent Number

  1,017,780

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1912
  112 years ago

• CPC

  • B02C15/123 - with rings and interposed rollers

• US Classifications

  • 241 - Solid material comminution or disintegration