1521416

Information

• Patent Grant
• 1521416

• References
• Source

• Patent Number

  1,521,416

• Date Filed

  Not available

• Date Issued

  Tuesday, December 30, 1924
  100 years ago

• CPC

  • F26B15/24 - in a zig-zag path

• US Classifications

  • 034 - Drying and gas or vapor contact with solids