1940978

Information

• Patent Grant
• 1940978

• References
• Source

• Patent Number

  1,940,978

• Date Filed

  Not available

• Date Issued

  Tuesday, December 26, 1933
  91 years ago

• CPC

  • C12L11/00 - Cellar tools

• US Classifications

  • 034 - Drying and gas or vapor contact with solids