4. Photography
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Quality assessment device

Photography – Camera combined with or convertible to diverse art device
Patent

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Quantity-of-light adjusting device

Photography – Having photocell at specific position within camera – Photocell responsive to adjacent illuminator
Reexamination Certificate

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Quantity-of-light adjusting device

Photography – Having photocell at specific position within camera – Photocell responsive to adjacent illuminator
Reexamination Certificate

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Quantity-of-light adjusting device and optical apparatus...

Photography – Camera detail – Diaphragm shutter unit
Reexamination Certificate

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Quantity-of-light adjusting device and optical apparatus...

Photography – Camera detail – Diaphragm shutter unit
Reexamination Certificate

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Quantity-of-light adjusting device using base and blade aperture

Photography – Camera detail – Shutter
Patent

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Queue management for photo minilabs

Photography – Fluid-treating apparatus
Reexamination Certificate

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Queuing arrangement for photographic media to be scanned

Photography – Fluid-treating apparatus – Photographic medium or cartridge sensing
Reexamination Certificate

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Quick-clamping locking plate for a camera

Photography – Camera support – Operator supported
Patent

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Quick-release clamp for photographic equipment

Photography – Camera support – Adjustable support
Reexamination Certificate

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Quick-release clamp for photographic equipment

Photography – Camera support – Adjustable support
Reexamination Certificate

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Quietly operating anti-backup pawl for manual film advance thumb

Photography – Disposable or recyclable camera
Patent

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