1579443

Information

• Patent Grant
• 1579443

• References
• Source

• Patent Number

  1,579,443

• Date Filed

  Not available

• Date Issued

  Tuesday, April 6, 1926
  98 years ago

• CPC

  • E02D3/039 - Slope rollers
  • E02B5/02 - Making or lining canals

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 404 - Road structure, process, or apparatus