4. Measuring, testing, or signalling instruments
  5. Watch, wristwatch or case
  6. Combined

Gin-Sung Chang

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Anti-burglar pocket alarm

Measuring – testing – or signalling instruments – Security or signal instrument or casing – Alarm or control thereof
Patent

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Combination compass

Geometrical instruments – Indicator of direction of force traversing natural media – Magnetic field responsive
Reexamination Certificate

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Combination compass and wrist strap

Measuring – testing – or signalling instruments – Watch – wristwatch or case – Combined
Patent

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Combined compass and thermometer

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

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Combined compass and thermometer

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

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Profile ID: LFUS-PAI-P-244429

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