Joseph R. Stephens

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Berea, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Niobium-aluminum base alloys having improved, high temperature oxid...
- Patent number 4,983,358
- Issue date Jan 8, 1991
- Sverdrup Technology, Inc.
- Mohan G. Hebsur
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
High toughness-high strength iron alloy
- Patent number 4,214,902
- Issue date Jul 29, 1980
- The United States of America as represented by the administrator of the Natio...
- Joseph R. Stephens
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for making a high toughness-high strength iron alloy
- Patent number 4,146,409
- Issue date Mar 27, 1979
- The United States of America as represented by the administrator of the Natio...
- Joseph R. Stephens
- C21 - METALLURGY OF IRON