1397409

Information

• Patent Grant
• 1397409

• References
• Source

• Patent Number

  1,397,409

• Date Filed

  Not available

• Date Issued

  Tuesday, November 15, 1921
  103 years ago

• CPC

  • B25B1/2415 - being composed of a plurality of parts adapting to the shape of the workpiece

• US Classifications

  • 269 - Work holders