3678282

Information

• Patent Grant
• 3678282

• References
• Source

• Patent Number

  3,678,282

• Date Filed

  Not available

• Date Issued

  Tuesday, July 18, 1972
  52 years ago

• CPC

  • G09F11/295 - Electric control therefor

• US Classifications

  • 250 - Radiant energy
  • 040 - Card, picture, or sign exhibiting