John H. Spence

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Munster, IN, US

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Patents Grantslast 30 patents

Information Patent Grant
Cross bearer arrangement for slotted center sill
- Patent number 4,630,547
- Issue date Dec 23, 1986
- Pullman Standard Inc.
- Phillip G. Przybylinski
- B61 - RAILWAYS
Information Patent Grant
Railway car center plate filler arrangement
- Patent number 4,206,710
- Issue date Jun 10, 1980
- Pullman Incorporated
- John H. Spence
- B61 - RAILWAYS
Information Patent Grant
Stability bracing for twist on high gondolas or hopper cars
- Patent number 4,082,045
- Issue date Apr 4, 1978
- Pullman Incorporated
- George S. McNally
- B61 - RAILWAYS