434135

Information

• Patent Grant
• 434135

• References
• Source

• Patent Number

  434,135

• Date Filed

  Not available

• Date Issued

  Tuesday, August 12, 1890
  134 years ago

• CPC

  • B43L17/08 - Roller blotters

• US Classifications

  • 034 - Drying and gas or vapor contact with solids