1442798

Information

• Patent Grant
• 1442798

• References
• Source

• Patent Number

  1,442,798

• Date Filed

  Not available

• Date Issued

  Tuesday, January 23, 1923
  102 years ago

• CPC

  • A01D21/02 - with picking tools moved up-and-down

• US Classifications

  • 171 - Unearthing plants or buried objects