455304

Information

• Patent Grant
• 455304

• References
• Source

• Patent Number

  455,304

• Date Filed

  Not available

• Date Issued

  Tuesday, July 7, 1891
  133 years ago

• CPC

  • A01D17/101 - with two superposed conveyor belts

• US Classifications

  • 171 - Unearthing plants or buried objects