3807074

Information

• Patent Grant
• 3807074

• References
• Source

• Patent Number

  3,807,074

• Date Filed

  Not available

• Date Issued

  Tuesday, April 30, 1974
  50 years ago

• CPC

  • G03B23/08 - in which pictures are attached to a movable carrier
  • G03B21/116 - Handling microfiches

• US Classifications

  • 040 - Card, picture, or sign exhibiting