3816822

Information

• Patent Grant
• 3816822

• References
• Source

• Patent Number

  3,816,822

• Date Filed

  Not available

• Date Issued

  Tuesday, June 11, 1974
  50 years ago

• CPC

  • G09G3/32 - semiconductive
  • G01R13/04 - for producing permanent records
  • G06G7/04 - input or output devices

• US Classifications

  • 345 - Computer graphics processing and selective visual display systems
  • 324 - Electricity: measuring and testing