3559439

Information

• Patent Grant
• 3559439

• References
• Source

• Patent Number

  3,559,439

• Date Filed

  Not available

• Date Issued

  Tuesday, February 2, 1971
  54 years ago

• CPC

  • B21D7/028 - and altering the profile at the same time
  • B21D7/04 - over a movably-arranged forming menber

• US Classifications

  • 072 - Metal deforming