4. Communications: electrical
  5. Condition responsive indicating system
  6. Specific condition

Manfred Griesinger

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Apparatus for determining the alertness of a driver

Communications: electrical – Condition responsive indicating system – Specific condition
Patent

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Multifunctional illumination device

Illumination – Supported by vehicle structure – Condition responsive
Reexamination Certificate

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Multifunctional illumination device

Illumination – Supported by vehicle structure – Condition responsive
Reexamination Certificate

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Process and apparatus for determining the condition of a road su

Optics: measuring and testing – Of light reflection – By comparison
Patent

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Process and arrangement for optically measuring a physical quant

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent

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Profile ID: LFUS-PAI-P-888928

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