2087874

Information

• Patent Grant
• 2087874

• References
• Source

• Patent Number

  2,087,874

• Date Filed

  Not available

• Date Issued

  Tuesday, July 20, 1937
  87 years ago

• CPC

  • B24B5/225 - for mass articles

• US Classifications

  • 451 - Abrading
  • 125 - Stone working