19388

Information

• Patent Grant
• 19388

• References
• Source

• Patent Number

  19,388

• Date Filed

  Not available

• Date Issued

  Tuesday, February 16, 1858
  167 years ago

• CPC

  • A01B33/021 - with rigid tools
  • Y10S165/031 - Gradated flow area, heat capacity or conductivity

• US Classifications

  • 172 - Earth working