177441

Information

• Patent Grant
• 177441

• References
• Source

• Patent Number

  177,441

• Date Filed

  Not available

• Date Issued

  Tuesday, May 16, 1876
  148 years ago

• CPC

  • B43L17/08 - Roller blotters

• US Classifications

  • 034 - Drying and gas or vapor contact with solids