Darrell Johnson

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Rochester Hills, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Methods of preparing cemented metal carbide substrates for depositi...
- Patent number 5,713,133
- Issue date Feb 3, 1998
- Valenite Inc.
- Deepak G. Bhat
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Methods of preparing cemented metal carbide substrates for depositi...
- Patent number 5,560,839
- Issue date Oct 1, 1996
- Valenite Inc.
- Stephen L. Bennett
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...