3870413

Information

• Patent Grant
• 3870413

• References
• Source

• Patent Number

  3,870,413

• Date Filed

  Not available

• Date Issued

  Tuesday, March 11, 1975
  49 years ago

• CPC

  • G03B21/116 - Handling microfiches
  • G03B27/6292 - Handling microfiche

• US Classifications

  • 355 - Photocopying
  • 353 - Optics: image projectors