3420422

Information

• Patent Grant
• 3420422

• References
• Source

• Patent Number

  3,420,422

• Date Filed

  Not available

• Date Issued

  Tuesday, January 7, 1969
  56 years ago

• CPC

  • G03B1/32 - Friction grippers or rollers

• US Classifications

  • 226 - Advancing material of indeterminate length