4. Photography
  5. Underwater, waterproof, or water-resistant camera

David L. Farrington

Inventor

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Air quality monitoring systems and methods

Data processing: generic control systems or specific application – Specific application – apparatus or process – Mechanical control system
Reexamination Certificate

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Dual exposure photographic apparatus and method

Photography – Self-developing camera – Including means to treat superimposed material
Patent

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Method and apparatus for compensating for shutter speed variatio

Patent

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Method and apparatus for controlling exposure

Photography – Underwater – waterproof – or water-resistant camera
Patent

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Open-loop stepper motor controlled shutter

Patent

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Profile ID: LFUS-PAI-P-627034

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