4. Optical: systems and elements
  5. Lens
  6. Multiple component lenses

David Kappel

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Flashlight producing uniform high brightness

Optics: image projectors – Gun – flashlight or battery operated type
Reexamination Certificate

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Illumination device and method for laser projector

Optical: systems and elements – Holographic system or element – Using a hologram as an optical element
Reexamination Certificate

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Illumination device and method for laser projector

Optical: systems and elements – Holographic system or element – Using a hologram as an optical element
Reexamination Certificate

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Illumination device and method using adaptable source and...

Optical: systems and elements – Diffusing of incident light
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Inspection of ophthalmic lenses using absorption

Optics: measuring and testing – Lens or reflective image former testing
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Profile ID: LFUS-PAI-P-1380212

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