Willi Ruckstuhl

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Kloten, CH

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Patents Grantslast 30 patents

Information Patent Grant
Curved like paving stone element for use in setting a curved paving
- Patent number 4,496,266
- Issue date Jan 29, 1985
- Kronimus & Sohn GmbH & Co. KG
- Willi Ruckstuhl
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Road surface comprising individual interconnected elements
- Patent number 4,362,426
- Issue date Dec 7, 1982
- Willi Ruckstuhl
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES