John K. Abraham

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Broadview Heights, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Batch-annealed dual-phase steel
- Patent number 4,437,902
- Issue date Mar 20, 1984
- Republic Steel Corporation
- John W. Pickens
- C21 - METALLURGY OF IRON
Information Patent Grant
High strength, low alloy steel with improved surface and mechanical...
- Patent number 4,405,380
- Issue date Sep 20, 1983
- Republic Steel Corporation
- Cecil B. Griffith
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
High strength low alloy steel containing columbium and vanadium
- Patent number 4,142,922
- Issue date Mar 6, 1979
- Republic Steel Corporation
- John K. Abraham
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
High strength low alloy steel containing columbium and titanium
- Patent number 4,141,761
- Issue date Feb 27, 1979
- Republic Steel Corporation
- John K. Abraham
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...