2330036

Information

• Patent Grant
• 2330036

• References
• Source

• Patent Number

  2,330,036

• Date Filed

  Not available

• Date Issued

  Tuesday, September 21, 1943
  81 years ago

• CPC

  • G07F17/163 - for film projection apparatus

• US Classifications

  • 352 - Optics: motion pictures
  • 369 - Dynamic information storage or retrieval