2409388

Information

• Patent Grant
• 2409388

• References
• Source

• Patent Number

  2,409,388

• Date Filed

  Not available

• Date Issued

  Tuesday, October 15, 1946
  78 years ago

• CPC

  • E21F3/00 - Cooling or drying of air

• US Classifications

  • 454 - Ventilation
  • 252 - Compositions