3416249

Information

• Patent Grant
• 3416249

• References
• Source

• Patent Number

  3,416,249

• Date Filed

  Not available

• Date Issued

  Tuesday, December 17, 1968
  56 years ago

• CPC

  • G03B23/042 - whereby the picture is not returned to the same stock after projection

• US Classifications

  • 353 - Optics: image projectors