1193884

Information

• Patent Grant
• 1193884

• References
• Source

• Patent Number

  1,193,884

• Date Filed

  Not available

• Date Issued

  Tuesday, August 8, 1916
  107 years ago

• CPC

  • B24B33/088 - for holes having a shape other than cylindrical

• US Classifications

  • 451 - Abrading