Number | Name | Date | Kind |
---|---|---|---|
RE19537 | Pierce | Apr 1935 | |
3308769 | Halcomb et al. | Mar 1967 | |
3467027 | Brown | Sep 1969 | |
3766862 | Heap et al. | Oct 1973 | |
3994239 | Baker et al. | Nov 1976 |
Entry |
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Railway Age, vol. 178, No. 6, Mar. 28, 1977, p. 30, "A Shield Kit Eases Retrofit of Tank Cars." |
Tank Car Specification, E. I. Du Pont de Nemours and Co., Mar. 28, 1978, pp. 1-2, Exhibits A and B. |