1668157

Information

• Patent Grant
• 1668157

• References
• Source

• Patent Number

  1,668,157

• Date Filed

  Not available

• Date Issued

  Tuesday, May 1, 1928
  96 years ago

• CPC

  • A01D25/042 - with driven tools

• US Classifications

  • 171 - Unearthing plants or buried objects