2124139

Information

• Patent Grant
• 2124139

• References
• Source

• Patent Number

  2,124,139

• Date Filed

  Not available

• Date Issued

  Tuesday, July 19, 1938
  86 years ago

• CPC

  • G03B33/14 - using lenticular screens

• US Classifications

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