4. Radiant energy
  5. Photocells; circuits and apparatus
  6. Photocell controls its own optical systems

David Angeley

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Grating sensor

Optics: measuring and testing – By light interference – Having wavefront division
Reexamination Certificate

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Off axis alignment system for scanning photolithography

Radiant energy – Photocells; circuits and apparatus – Photocell controls its own optical systems
Patent

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Zoom handpiece for laser surgery

Surgery – Instruments – Light application
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1157567

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