1708947

Information

• Patent Grant
• 1708947

• References
• Source

• Patent Number

  1,708,947

• Date Filed

  Not available

• Date Issued

  Tuesday, April 16, 1929
  95 years ago

• CPC

  • B01F7/00391 - Helices
  • Y10S241/601 - Sand mullers

• US Classifications

  • 366 - Agitating
  • 241 - Solid material comminution or disintegration