3098430

Information

• Patent Grant
• 3098430

• References
• Source

• Patent Number

  3,098,430

• Date Filed

  Not available

• Date Issued

  Tuesday, July 23, 1963
  61 years ago

• CPC

  • D06H1/003 - by passing a needle through the layers

• US Classifications

  • 101 - Printing
  • 033 - Geometrical instruments