2090556

Information

• Patent Grant
• 2090556

• References
• Source

• Patent Number

  2,090,556

• Date Filed

  Not available

• Date Issued

  Tuesday, August 17, 1937
  87 years ago

• CPC

  • A01D21/04 - with rotating picking tools

• US Classifications

  • 171 - Unearthing plants or buried objects