1747955

Information

• Patent Grant
• 1747955

• References
• Source

• Patent Number

  1,747,955

• Date Filed

  Not available

• Date Issued

  Tuesday, February 18, 1930
  94 years ago

• CPC

  • E01C23/0825 - rotary

• US Classifications

  • 037 - Excavating
  • 172 - Earth working