123456

Information

• Patent Grant
• 123456

• References
• Source

• Patent Number

  123,456

• Date Filed

  Not available

• Date Issued

  Tuesday, February 6, 1872
  153 years ago

• CPC

  • C40B10/00 - Directed molecular evolution of macromolecules
  • G02B1/00 - Optical elements characterised by the material of which they are made
  • F24F6/00 - Air-humidification
  • F24F2001/007 - with air treatment in the room unit

• US Classifications

  • 434 - Education and demonstration