940189

Information

• Patent Grant
• 940189

• References
• Source

• Patent Number

  940,189

• Date Filed

  Not available

• Date Issued

  Tuesday, November 16, 1909
  115 years ago

• CPC

  • A01D17/22 - with several co-operating sifter bands

• US Classifications

  • 171 - Unearthing plants or buried objects