4. Office supplies; artists and teachers materials
  5. Teaching material
  6. Demonstrator or exhibitor

Tirza Ernst

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Digital/analog teaching clock

Office supplies; artists and teachers materials – Teaching material – Demonstrator or exhibitor
Patent

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Educational device

Office supplies; artists and teachers materials – Teaching material – Sensory feedback – e.g. – audio-visual teaching machine
Design Patent

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Talking toy scanner

Image analysis – Image sensing
Reexamination Certificate

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Teaching scale

Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Weight – force or density
Patent

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Profile ID: LFUS-PAI-P-546055

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