Timothy A. Leitzel

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Elizabeth, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Well block for metallurgical vessel
- Patent number 6,763,981
- Issue date Jul 20, 2004
- North American Refractories Co.
- Israel Peretz
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
High density ceramic metal composite exhibiting improved mechanical...
- Patent number 6,103,651
- Issue date Aug 15, 2000
- North American Refractories Company
- Timothy A. Leitzel
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
Well block for metallurgical vessel
- Publication number 20030201588
- Publication date Oct 30, 2003
- North American Refractories Co.
- Israel Peretz
- B22 - CASTING POWDER METALLURGY