4. Amusement devices
  5. Illusion or stage device
  6. Illusion caused by apparent levitation

Jean St-Germain

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Levitating apparatus

Amusement devices – Illusion or stage device – Illusion caused by apparent levitation
Patent

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Levitationarium for air flotation of humans

Undertaking
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Safety fence for scaffolds

Fire escape – ladder – or scaffold – Safety device – platform associated – Railing
Patent

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Scaffolding

Fire escape – ladder – or scaffold – Plural platforms – common support – Stepped
Patent

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Scaffolding attachment for wall construction

Fire escape – ladder – or scaffold – Putlog or spacer
Patent

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Profile ID: LFUS-PAI-P-996035

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