3350803

Information

• Patent Grant
• 3350803

• References
• Source

• Patent Number

  3,350,803

• Date Filed

  Not available

• Date Issued

  Tuesday, November 7, 1967
  57 years ago

• CPC

  • G09F19/12 - using special optical effects
  • G09F19/205 - Special effects using different wavelengths

• US Classifications

  • 040 - Card, picture, or sign exhibiting