90158

Information

• Patent Grant
• 90158

• References
• Source

• Patent Number

  90,158

• Date Filed

  Not available

• Date Issued

  Tuesday, May 18, 1869
  156 years ago

• CPC

  • C21C3/00 - Manufacture of wrought-iron or wrought-steel
  • Y10T29/28 - Puddlers balls making

• US Classifications

  • 266 - Metallurgical apparatus
  • 029 - Metal working