4. Measuring, testing, or signalling instruments
  5. Measuring, regulating or indicating instrument, or casing
  6. Geometric

Chiu Yen Chou

Inventor

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Laser leveling device

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

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Light leveling device having remote control

Geometrical instruments – Straight-line light ray type – Level
Reexamination Certificate

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Solar powered flashlight

Lighting – Light fixture – Hand-held – body-attached or lantern type
Design Patent

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Telescopic light device

Lighting – Light fixture – Hand-held – body-attached or lantern type
Design Patent

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Profile ID: LFUS-PAI-P-2824211

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