3757871

Information

• Patent Grant
• 3757871

• References
• Source

• Patent Number

  3,757,871

• Date Filed

  Not available

• Date Issued

  Tuesday, September 11, 1973
  51 years ago

• CPC

  • D06P1/655 - Compounds containing ammonium groups
  • A01B49/02 - with two or more soil-working tools of different kind

• US Classifications

  • 172 - Earth working