Walter Wyss

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Kappel, CH

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Patents Grantslast 30 patents

Information Patent Grant
Coupling for plastic pipe formed by centrifugal casting
- Patent number 5,054,824
- Issue date Oct 8, 1991
- Hobas Engineering & Durotec AG
- Walter Wyss
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Tube coupling
- Patent number 4,174,125
- Issue date Nov 13, 1979
- Walter Wyss
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL