Howard D. Brodbeck

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Berwyn, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for cooling a vacuum furnace
- Patent number 4,756,773
- Issue date Jul 12, 1988
- MG Industries
- Howard J. Obman
- C21 - METALLURGY OF IRON
Information Patent Grant
Apparatus for cooling a vacuum furnace
- Patent number 4,643,401
- Issue date Feb 17, 1987
- MG Industries
- Howard J. Obman
- C21 - METALLURGY OF IRON