3656841

Information

• Patent Grant
• 3656841

• References
• Source

• Patent Number

  3,656,841

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1972
  52 years ago

• CPC

  • G03B33/16 - using colour-pattern screens

• US Classifications

  • 352 - Optics: motion pictures
  • 359 - Optical: systems and elements