1965991

Information

• Patent Grant
• 1965991

• References
• Source

• Patent Number

  1,965,991

• Date Filed

  Not available

• Date Issued

  Tuesday, July 10, 1934
  90 years ago

• CPC

  • A01B69/005 - by an additional operator

• US Classifications

  • 280 - Land vehicles
  • 172 - Earth working