Richard R. Kelbe

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Apparatus for measuring material thickness profiles

Optics: measuring and testing – By dispersed light spectroscopy – Utilizing a spectrometer
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Camera apparatus for magnetically recording on film

Dynamic magnetic information storage or retrieval – Head – Core
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Film mid roll interrupt protection for a camera using magnetic a

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Low cost telephoto and normal lens camera with an extendable fla

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Profile ID: LFUS-PAI-P-420091

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