938139

Information

• Patent Grant
• 938139

• References
• Source

• Patent Number

  938,139

• Date Filed

  Not available

• Date Issued

  Tuesday, October 26, 1909
  115 years ago

• CPC

  • A01D17/14 - with cylindrical screens
  • B07B1/18 - Drum screens

• US Classifications

  • 209 - Classifying, separating, and assorting solids
  • 460 - Crop threshing or separating