Dale A. Grumm

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Zeeland, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Investment casting using melt reservoir loop
- Patent number 6,453,979
- Issue date Sep 24, 2002
- Howmet Research Corporation
- Mark L. Soderstrom
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Investment casting using pressure cap sealable on gas permeable inv...
- Patent number 6,070,644
- Issue date Jun 6, 2000
- Howmet Research Corporation
- Dale A. Grumm
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Investment casting using pour cup reservoir with inverted melt feed...
- Patent number 6,019,158
- Issue date Feb 1, 2000
- Howmet Research Corporation
- Mark L. Soderstrom
- B22 - CASTING POWDER METALLURGY