2987991

Information

• Patent Grant
• 2987991

• References
• Source

• Patent Number

  2,987,991

• Date Filed

  Not available

• Date Issued

  Tuesday, June 13, 1961
  63 years ago

• CPC

  • B41F17/34 - on articles with surface irregularities

• US Classifications

  • 101 - Printing
  • 198 - Conveyors: power-driven