Ian Powell

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D-shape laser beam projector

Optical: systems and elements – Lens – Including a nonspherical surface
Patent

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Linear deiverging lens

Patent

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Non-contact interference optical system for measuring the length

Optics: measuring and testing – By dispersed light spectroscopy – Utilizing a spectrometer
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Optical instrument with a continuously adjustable zoom

Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Patent

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Optical projection system including a refractive lens assembly h

Optical: systems and elements – Lens – Multiple component lenses
Patent

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Profile ID: LFUS-PAI-P-810567

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