3640212

Information

• Patent Grant
• 3640212

• References
• Source

• Patent Number

  3,640,212

• Date Filed

  Not available

• Date Issued

  Tuesday, February 8, 1972
  52 years ago

• CPC

  • B44B5/026 - Dies
  • B44B5/0014 - and rotating workpieces

• US Classifications

  • 101 - Printing