1668189

Information

• Patent Grant
• 1668189

• References
• Source

• Patent Number

  1,668,189

• Date Filed

  Not available

• Date Issued

  Tuesday, May 1, 1928
  96 years ago

• CPC

  • B21J19/02 - Hearths Air supply arrangements specially adapted therefor

• US Classifications

  • 431 - Combustion