Johannes Leonardus Piso

Emmenbrücke

Trademarks, designs and patents

SYSTEM PISO

Swiss trademark · 291598 · Holder

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Schachtrahmen aus Metall

Swiss patent · CH609119 · Inventor

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Rohrverbindung

Swiss patent · CH567222 · Holder

Deleted
Rohrverbindung

Swiss patent · CH556494 · Holder

Deleted