186620

Information

• Patent Grant
• 186620

• References
• Source

• Patent Number

  186,620

• Date Filed

  Not available

• Date Issued

  Tuesday, January 23, 1877
  147 years ago

• CPC

  • D06P1/65162 - Hydrocarbons without halogen
  • Y10S8/917 - Wool or silk

• US Classifications

  • 008 - Bleaching and dyeing