1226437

Information

• Patent Grant
• 1226437

• References
• Source

• Patent Number

  1,226,437

• Date Filed

  Not available

• Date Issued

  Tuesday, May 15, 1917
  107 years ago

• CPC

  • A01D17/02 - with conveyors arranged above the sieving device

• US Classifications

  • 171 - Unearthing plants or buried objects