Werner Richter

Follow

Person

Krefeld, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Refractory article suitable for casting molten metal
- Patent number 4,634,685
- Issue date Jan 6, 1987
- Didier-Werke AG
- Siegfried Pohl
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Refractory immersion spout
- Patent number 4,423,833
- Issue date Jan 3, 1984
- Didier-Werke AG
- Werner Richter
- B22 - CASTING POWDER METALLURGY