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| All Patents of Type: molding machines | |||||
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| Number | Date | Patentee | Title | Type | |
| 432,243 | Jul. 15, 1890 | F. Kepp | Molding Machine | molding machines | |
| 471,324 | Mar. 22, 1892 | C.M. Conradson | Molder's Flask | molding machines | |
| 646,188 | Mar. 27, 1900 | W. Murchey | Machine for making sand molds | molding machines | |
| 1,254,183 | Jan. 22, 1918 | J.F. Williams | Machine to Mold Emery Wheels | molding machines | |