2471902

Information

• Patent Grant
• 2471902

• References
• Source

• Patent Number

  2,471,902

• Date Filed

  Not available

• Date Issued

  Tuesday, May 31, 1949
  75 years ago

• CPC

  • G09F11/16 - Electric control therefor

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 200 - Electricity: circuit makers and breakers
  • 345 - Computer graphics processing and selective visual display systems