1858568

Information

• Patent Grant
• 1858568

• References
• Source

• Patent Number

  1,858,568

• Date Filed

  Not available

• Date Issued

  Tuesday, May 17, 1932
  92 years ago

• CPC

  • B23F1/026 - with plural tools

• US Classifications

  • 451 - Abrading
  • 125 - Stone working