3689967

Information

• Patent Grant
• 3689967

• References
• Source

• Patent Number

  3,689,967

• Date Filed

  Not available

• Date Issued

  Tuesday, September 12, 1972
  52 years ago

• CPC

  • B28B21/24 - using compacting heads, rollers, or the like

• US Classifications

  • 492 - Roll or roller