3745904

Information

• Patent Grant
• 3745904

• References
• Source

• Patent Number

  3,745,904

• Date Filed

  Not available

• Date Issued

  Tuesday, July 17, 1973
  51 years ago

• CPC

  • G03B17/52 - of the Land type
  • G03D9/025 - for colour films

• US Classifications

  • 396 - Photography