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| All Patents in class 164/385 | |||||
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| Number | Date | Patentee | Title | Type | |
| 471,324 | Mar. 22, 1892 | C.M. Conradson | Molder's Flask | molding machines | |
| 902,062 | Oct. 27, 1908 | E. Estep | Molding apparatus | foundry casting apparatus | |