1342693

Information

• Patent Grant
• 1342693

• References
• Source

• Patent Number

  1,342,693

• Date Filed

  Not available

• Date Issued

  Tuesday, June 8, 1920
  104 years ago

• CPC

  • B02B3/10 - by means of brushes

• US Classifications

  • 099 - Foods and beverages: apparatus
  • 451 - Abrading