3766690

Information

• Patent Grant
• 3766690

• References
• Source

• Patent Number

  3,766,690

• Date Filed

  Not available

• Date Issued

  Tuesday, October 23, 1973
  51 years ago

• CPC

  • B24B3/40 - Processes or apparatus specially adapted for sharpening curved edges

• US Classifications

  • 451 - Abrading