Ryan M. Smith

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Woodstock, GA, US

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Patents Grantslast 30 patents

Information Patent Grant
Coil car with shiftable trough assemblies
- Patent number 4,451,188
- Issue date May 29, 1984
- Portec, Inc.
- Ryan M. Smith
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Curved roof hooper car
- Patent number 4,444,123
- Issue date Apr 24, 1984
- Portec, Inc.
- Ryan M. Smith
- B61 - RAILWAYS