Keith J. Hallam

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Merrillville, IN, US

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Patents Grantslast 30 patents

Information Patent Grant
Car coupling arrangement for railway passenger cars
- Patent number 4,232,793
- Issue date Nov 11, 1980
- Pullman Incorporated
- Keith J. Hallam
- B61 - RAILWAYS
Information Patent Grant
Combination door and emergency stairway exit
- Patent number 4,216,725
- Issue date Aug 12, 1980
- Pullman Incorporated
- Keith J. Hallam
- B61 - RAILWAYS
Information Patent Grant
Self steering railway car
- Patent number 4,164,188
- Issue date Aug 14, 1979
- Pullman Incorporated
- Keith J. Hallam
- B61 - RAILWAYS
Information Patent Grant
Sleeping compartment upper berth
- Patent number 4,138,949
- Issue date Feb 13, 1979
- Pullman Incorporated
- Jack E. Gutridge
- B61 - RAILWAYS
Information Patent Grant
Headrest ladder
- Patent number 4,046,081
- Issue date Sep 6, 1977
- Pullman Incorporated
- Jack E. Gutridge
- B61 - RAILWAYS