Harry R. Parsons

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Cassette for enclosing a plurality of negative film units

Photography – Camera detail – Detachable or removable film holder unit
Patent

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Cassette for enclosing a plurality of positive film units

Patent

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Film assemblage with pre-exposed film and method for forming the

Patent

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Film assembly

Radiation imagery chemistry: process – composition – or product th – Transfer procedure between image and image layer – image... – Diffusion transfer process – element – or identified image...
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Method and system for reducing image artifacts

Photography – Self-developing camera – Including means to treat superimposed material
Reexamination Certificate

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Profile ID: LFUS-PAI-P-610175

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