Donald W. Smith

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Forest, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
High pressure cylinders including backing steel with tool steel lining
- Patent number 6,887,322
- Issue date May 3, 2005
- Wexco Corporation
- Donald W. Smith
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
High pressure cylinders including backing steel with tool steel lining
- Publication number 20020174919
- Publication date Nov 28, 2002
- Donald W. Smith
- C21 - METALLURGY OF IRON