Gerald K. Ruhlandt

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Madison Heights, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Die casting process and apparatus comprising in-die plunger densifi...
- Patent number 4,779,666
- Issue date Oct 25, 1988
- General Motors Corporation
- Gerald K. Ruhlandt
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Bore chill for lost foam casting pattern
- Patent number 4,706,732
- Issue date Nov 17, 1987
- General Motors Corporation
- Gerald K. Ruhlandt
- B22 - CASTING POWDER METALLURGY