507943

Information

• Patent Grant
• 507943

• References
• Source

• Patent Number

  507,943

• Date Filed

  Not available

• Date Issued

  Tuesday, October 31, 1893
  131 years ago

• CPC

  • B02C1/12 - Mills with non-rotating spiked members

• US Classifications

  • 241 - Solid material comminution or disintegration