987577

Information

• Patent Grant
• 987577

• References
• Source

• Patent Number

  987,577

• Date Filed

  Not available

• Date Issued

  Tuesday, March 21, 1911
  114 years ago

• CPC

  • A01B3/58 - with two wheels

• US Classifications

  • 172 - Earth working
  • 037 - Excavating