3757872

Information

• Patent Grant
• 3757872

• References
• Source

• Patent Number

  3,757,872

• Date Filed

  Not available

• Date Issued

  Tuesday, September 11, 1973
  51 years ago

• CPC

  • A01B3/421 - with a headstock frame made in one piece

• US Classifications

  • 172 - Earth working