1688297

Information

• Patent Grant
• 1688297

• References
• Source

• Patent Number

  1,688,297

• Date Filed

  Not available

• Date Issued

  Tuesday, October 16, 1928
  96 years ago

• CPC

  • D21B1/068 - by cutting actions

• US Classifications

  • 241 - Solid material comminution or disintegration