2356694

Information

• Patent Grant
• 2356694

• References
• Source

• Patent Number

  2,356,694

• Date Filed

  Not available

• Date Issued

  Tuesday, August 22, 1944
  80 years ago

• CPC

  • G03C7/06 - Manufacture of colour screens

• US Classifications

  • 359 - Optical: systems and elements
  • 396 - Photography