1828459

Information

• Patent Grant
• 1828459

• References
• Source

• Patent Number

  1,828,459

• Date Filed

  Not available

• Date Issued

  Tuesday, October 20, 1931
  93 years ago

• CPC

  • B21D41/025 - by means of impact-type swaging hand tools

• US Classifications

  • 072 - Metal deforming