Ronald W. Grant

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Camera and mechanical timer mechanism

Photography – Camera release control circuit – Self-timer
Patent

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Chemical delivery system for use with a photographic...

Photography – Fluid-treating apparatus – Heating – cooling – or temperature detecting
Reexamination Certificate

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Gimballed roller for web material

Roll or roller – Rotatable relative to supporting shaft – Coating treatment or applicator
Patent

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Miniature flash circuit switch with high current capability

Photography – Camera detail – Lens cover
Patent

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Multiple function shutter button assembly

Photography – Camera release control circuit
Patent

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Profile ID: LFUS-PAI-P-678882

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