3028920

Information

• Patent Grant
• 3028920

• References
• Source

• Patent Number

  3,028,920

• Date Filed

  Not available

• Date Issued

  Tuesday, April 10, 1962
  62 years ago

• CPC

  • A01B19/04 - with two or more tool-frames
  • A01B73/044 - the axis being oriented in a longitudinal direction

• US Classifications

  • 172 - Earth working