4. Geometrical instruments
  5. Straight-line light ray type
  6. Vertical angle

Der-Shyang Jan

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3D laser leveler

Geometrical instruments – Straight-line light ray type – Vertical angle
Patent

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Laser edge

Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Design Patent

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Laser extender

Geometrical instruments – Straight-line light ray type – Alignment device
Reexamination Certificate

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Laser modules and methods of manufacturing same

Coherent light generators – Particular resonant cavity – Specified cavity component
Patent

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Lens for forming laser lines with uniform brightness

Optical: systems and elements – Lens
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1147735

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