Howard A. Graham

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Belleville, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus useful in cooling hot strip
- Patent number 4,497,180
- Issue date Feb 5, 1985
- National Steel Corporation
- Howard A. Graham
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Work roll chock assembly for a rolling mill
- Patent number 4,238,947
- Issue date Dec 16, 1980
- National Steel Corporation
- Howard A. Graham
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...