Wilfried Zenker

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Hartland, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for the heat treatment of workpieces
- Patent number 6,207,931
- Issue date Mar 27, 2001
- ALD Vacuum Technologies AG
- Klaus Löser
- C21 - METALLURGY OF IRON
Information Patent Grant
Apparatus for the heat treatment of workpieces
- Patent number 6,147,328
- Issue date Nov 14, 2000
- ALD Vacuum Technologies AG
- Klaus Loser
- C21 - METALLURGY OF IRON