1691351

Information

• Patent Grant
• 1691351

• References
• Source

• Patent Number

  1,691,351

• Date Filed

  Not available

• Date Issued

  Tuesday, November 13, 1928
  96 years ago

• CPC

  • A01B17/008 - rotating about a vertical or steeply inclined axis

• US Classifications

  • 172 - Earth working