3622253

Information

• Patent Grant
• 3622253

• References
• Source

• Patent Number

  3,622,253

• Date Filed

  Not available

• Date Issued

  Tuesday, November 23, 1971
  52 years ago

• CPC

  • A01B69/022 - Ridge marking by deposition of a chemical substance

• US Classifications

  • 417 - Pumps
  • 111 - Planting