614644

Information

• Patent Grant
• 614644

• References
• Source

• Patent Number

  614,644

• Date Filed

  Not available

• Date Issued

  Tuesday, November 22, 1898
  126 years ago

• CPC

  • B43L17/08 - Roller blotters

• US Classifications

  • 034 - Drying and gas or vapor contact with solids
  • 015 - Brushing, scrubbing, and general cleaning
  • 451 - Abrading
  • 492 - Roll or roller