1012448

Information

• Patent Grant
• 1012448

• References
• Source

• Patent Number

  1,012,448

• Date Filed

  Not available

• Date Issued

  Tuesday, December 19, 1911
  112 years ago

• CPC

  • A47L15/13 - using sonic or ultrasonic waves

• US Classifications

  • 261 - Gas and liquid contact apparatus