Walter Grilli

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Modena, IT

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Patents Grantslast 30 patents

Information Patent Grant
Process for high-temperature carburizing treatment of track bushes...
- Patent number 4,495,004
- Issue date Jan 22, 1985
- Italtractor ITM S.p.A.
- Walter Grilli
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for direct heat treatment of track links for tractors or tr...
- Patent number 4,419,152
- Issue date Dec 6, 1983
- Italtractor ITM S.p.A.
- Walter Grilli
- C21 - METALLURGY OF IRON