3909836

Information

• Patent Grant
• 3909836

• References
• Source

• Patent Number

  3,909,836

• Date Filed

  Not available

• Date Issued

  Tuesday, September 30, 1975
  48 years ago

• CPC

  • G03B27/583 - Handling microfiche

• US Classifications

  • 355 - Photocopying
  • 396 - Photography