1389597

Information

• Patent Grant
• 1389597

• References
• Source

• Patent Number

  1,389,597

• Date Filed

  Not available

• Date Issued

  Tuesday, September 6, 1921
  103 years ago

• CPC

  • A23B5/022 - Drying with use of gas or vacuum

• US Classifications

  • 159 - Concentrating evaporators