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Chaotic motion pendulum

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

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Child's clock figure toy

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

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Children's clock

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

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Children's educational clock

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

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Children's spelling toy

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

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Chord wheel

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

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Chord wheel

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

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Cigarette tar detector

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

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Circular slide chart

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

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Cocktail composer guide

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

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Colon model

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

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Color chip for a kit to objectively demonstrate color characteri

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

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Color cube model

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

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Combined advertising display and door lock demonstrator

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

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Combined case and sexual education kit

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

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Combined flashlight and insect viewing container

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

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Combined hands and dial for an educational clock

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

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Combined holder and display device for learning cards

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

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Combined watch pin and card holder potty training unit

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

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Controlled reluctance microphone display

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

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