John Crooks

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Robesonia, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Refractory lining for metallurgical vessel
- Patent number 6,787,098
- Issue date Sep 7, 2004
- North American Refractories Co.
- Donald E. Abrino
- C21 - METALLURGY OF IRON
Information Patent Grant
Refractory lining for metallurgical vessel
- Patent number 6,673,306
- Issue date Jan 6, 2004
- North American Refractories Co.
- Donald E. Abrino
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
Refractory lining for metallurgical vessel
- Publication number 20040108637
- Publication date Jun 10, 2004
- North American Refractories Co.
- Donald E. Abrino
- C21 - METALLURGY OF IRON
Information Patent Application
Refractory lining for metallurgical vessel
- Publication number 20020153645
- Publication date Oct 24, 2002
- North American Refractories Co.
- Donald E. Abrino
- C21 - METALLURGY OF IRON