1444006

Information

• Patent Grant
• 1444006

• References
• Source

• Patent Number

  1,444,006

• Date Filed

  Not available

• Date Issued

  Tuesday, February 6, 1923
  101 years ago

• CPC

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

• US Classifications

  • 171 - Unearthing plants or buried objects