2691320

Information

• Patent Grant
• 2691320

• References
• Source

• Patent Number

  2,691,320

• Date Filed

  Not available

• Date Issued

  Tuesday, October 12, 1954
  70 years ago

• CPC

  • G03B21/40 - Eliminating or reducing effect of flicker

• US Classifications

  • 352 - Optics: motion pictures