Peter P. Clark

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Close-up lens assembly incorporating a photo-ranging system

Patent

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Compact fingerprint identification device

Image analysis – Applications – Personnel identification
Reexamination Certificate

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Data storage apparatus using optical servo tracks

Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the head
Patent

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Electro-optical imaging system and lens therefor

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent

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Folding photographic method and apparatus

Photography – Having variable focal length of camera objective – Lens moves in or out of light path
Patent

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Profile ID: LFUS-PAI-P-320164

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