472510

Information

• Patent Grant
• 472510

• References
• Source

• Patent Number

  472,510

• Date Filed

  Not available

• Date Issued

  Tuesday, April 5, 1892
  132 years ago

• CPC

  • B43L17/08 - Roller blotters

• US Classifications

  • 034 - Drying and gas or vapor contact with solids
  • 033 - Geometrical instruments