Daniel L. DeRoo

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Colona, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Metal casting surface modification by powder impregnation
- Patent number 5,299,620
- Issue date Apr 5, 1994
- Deere & Company
- Gopal S. Revankar
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method of impregnation of iron with a wear resistant material
- Patent number 5,027,878
- Issue date Jul 2, 1991
- Deere & Company
- Gopal S. Revankar
- B22 - CASTING POWDER METALLURGY