4. Illumination
  5. Housing
  6. With closure

Joseph Wegrzyn

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Emergency lighting device

Illumination – Automatic substitution of power supply or light source
Reexamination Certificate

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Emergency lighting device

Illumination – Automatic substitution of power supply or light source
Patent

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Emergency lighting fixture

Lighting – Light fixture – Articulated or adjustable
Patent

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Emission spectrometer having a charge coupled device detector

Optics: measuring and testing – By dispersed light spectroscopy – With sample excitation
Reexamination Certificate

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Housing of emergency lighting fixture

Lighting – Light fixture – Articulated or adjustable
Design Patent

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Profile ID: LFUS-PAI-P-576408

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