1340640

Information

• Patent Grant
• 1340640

• References
• Source

• Patent Number

  1,340,640

• Date Filed

  Not available

• Date Issued

  Tuesday, May 18, 1920
  104 years ago

• CPC

  • B21J13/12 - Turning means

• US Classifications

  • 414 - Material or article handling
  • 072 - Metal deforming