380759

Information

• Patent Grant
• 380759

• References
• Source

• Patent Number

  380,759

• Date Filed

  Not available

• Date Issued

  Tuesday, April 10, 1888
  137 years ago

• CPC

  • B21D13/04 - by rolling
  • Y10T29/4533 - Fluid impingement

• US Classifications

  • 072 - Metal deforming
  • 029 - Metal working