252546

Information

• Patent Grant
• 252546

• References
• Source

• Patent Number

  252,546

• Date Filed

  Not available

• Date Issued

  Tuesday, January 17, 1882
  143 years ago

• CPC

  • B43L17/08 - Roller blotters

• US Classifications

  • 034 - Drying and gas or vapor contact with solids
  • 492 - Roll or roller