3619922

Information

• Patent Grant
• 3619922

• References
• Source

• Patent Number

  3,619,922

• Date Filed

  Not available

• Date Issued

  Tuesday, November 16, 1971
  53 years ago

• CPC

  • G09F11/34 - the feeding means comprising electromagnets

• US Classifications

  • 040 - Card, picture, or sign exhibiting