4. Optics: image projectors
  5. Housing

Stephen C. Fog

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Folding portable overhead projector

Optics: image projectors – Housing
Patent

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Light analyzer apparatus

Optics: measuring and testing – For light transmission or absorption – Of fluent material
Reexamination Certificate

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Wheeled shovel

Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning
Design Patent

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Wheeled shovel with hinge apparatus

Excavating – Snow or ice removing or grooming by portable device – Scoop
Reexamination Certificate

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Profile ID: LFUS-PAI-P-863822

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