3517749

Information

• Patent Grant
• 3517749

• References
• Source

• Patent Number

  3,517,749

• Date Filed

  Not available

• Date Issued

  Tuesday, June 30, 1970
  54 years ago

• CPC

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

• US Classifications

  • 172 - Earth working