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Wilfried Hamm

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Hand-rail element for staircase

Fences – Rail – Connection
Patent

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Inflatable building construction

Static structures (e.g. – buildings) – Shaped or strengthened by fluid pressure – Fluid pressure is subatmospheric
Patent

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Multi-purpose sports-kit

Undertaking
Patent

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Railing made of prefabricated standard components

Fences – Rail – Connection
Patent

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Stairtread for spiral staircase

Static structures (e.g. – buildings) – Stepped; e.g. – stair – Helical type
Patent

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Profile ID: LFUS-PAI-P-82462

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