4. Office supplies; artists and teachers materials
  5. Calendar or calendar holder
  6. Combined

Shu-Chia Chang

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Alarm with perpetual calendar suitable for traveler

Office supplies; artists and teachers materials – Calendar or calendar holder – Combined
Design Patent

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Calculator

Printing and office machinery – Typewriter or calculator – Combined
Design Patent

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Calculator with perpetual calendar

Office supplies; artists and teachers materials – Calendar or calendar holder – Combined
Design Patent

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Profile ID: LFUS-PAI-P-2033788

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