Number | Name | Date | Kind |
---|---|---|---|
3658115 | Ryntz, Jr. et al. | Apr 1972 | |
3703922 | Dunks et al. | Nov 1972 | |
3851700 | McAfee et al. | Dec 1974 |
Number | Date | Country |
---|---|---|
1,132,055 | Oct 1968 | UK |
1,132,056 | Oct 1968 | UK |
Entry |
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"Production of Nodular Graphite Iron Castings by the `Inmold` Process" by J. L. McCaulay; Foundry Trade Journal, dated 15th Apr. 1971. |