2194591

Information

• Patent Grant
• 2194591

• References
• Source

• Patent Number

  2,194,591

• Date Filed

  Not available

• Date Issued

  Tuesday, March 26, 1940
  84 years ago

• CPC

  • G03B33/14 - using lenticular screens
  • G03B33/00 - Colour photography, other than mere exposure or projection of a colour film

• US Classifications

  • 353 - Optics: image projectors