Dieter Christian Steeb

Steinegg-Appenzell

Trademarks, designs and patents

Gitterrost

Swiss patent · CH630435 · Inventor

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Rohrschelle

Swiss patent · CH627535 · Inventor

Deleted
Gitterrost

Swiss patent · CH631225 · Inventor

Deleted
Plattenförmiges Bauelement für den Fahrbahnbelag von Brücken

Swiss patent · CH629555 · Inventor

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Aus einem Blechstreifen bestehender Rost

Swiss patent · CH603938 · Inventor

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