2177945

Information

• Patent Grant
• 2177945

• References
• Source

• Patent Number

  2,177,945

• Date Filed

  Not available

• Date Issued

  Tuesday, October 31, 1939
  85 years ago

• CPC

  • B01F9/20 - with rotary cylinders

• US Classifications

  • 241 - Solid material comminution or disintegration