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Scent delivery system

Optics: motion pictures – Special effects
Reexamination Certificate

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Scent storage device, ticket and passive sequential resistor...

Optics: motion pictures – Special effects
Reexamination Certificate

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Shutter opening angle control device for a motion picture camera

Optics: motion pictures – Special effects – Transition effects
Patent

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Sound motion picture camera

Optics: motion pictures – Special effects – Transition effects
Patent

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Sound motion picture camera capable of overlapping exposures

Optics: motion pictures – Special effects – Transition effects
Patent

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Special effects device

Optics: motion pictures – Special effects – Animation
Patent

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Spectral watermarking for motion picture image data

Optics: motion pictures – Special effects
Reexamination Certificate

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Stereo pair and method of making stereo pairs

Optics: motion pictures – Special effects – Depth illusion
Patent

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System and method for Pulfrich Filter Spectacles

Optics: motion pictures – Special effects
Reexamination Certificate

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System and method for Pulfrich Filter Spectacles

Optics: motion pictures – Special effects
Reexamination Certificate

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