3690747

Information

• Patent Grant
• 3690747

• References
• Source

• Patent Number

  3,690,747

• Date Filed

  Not available

• Date Issued

  Tuesday, September 12, 1972
  52 years ago

• CPC

  • G03B15/08 - Trick photography
  • G05B2219/45176 - Animation for film scenes, show

• US Classifications

  • 352 - Optics: motion pictures