3840300

Information

• Patent Grant
• 3840300

• References
• Source

• Patent Number

  3,840,300

• Date Filed

  Not available

• Date Issued

  Tuesday, October 8, 1974
  50 years ago

• CPC

  • G03B27/583 - Handling microfiche

• US Classifications

  • 355 - Photocopying
  • 396 - Photography