Donald E. Graham

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St. Clair Shores, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Hard metal alloy with surface region enriched with tantalum, niobiu...
- Patent number 4,784,923
- Issue date Nov 15, 1988
- Carboloy Inc.
- Donald E. Graham
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Multiple coated cutting tool and method for producing same
- Patent number 4,442,169
- Issue date Apr 10, 1984
- General Electric Company
- Donald E. Graham
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Hard metal body and method of making same
- Patent number 4,436,775
- Issue date Mar 13, 1984
- General Electric Company
- Donald E. Graham
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Hard metal body and method of making same
- Patent number 4,343,865
- Issue date Aug 10, 1982
- General Electric Company
- Donald E. Graham
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...