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| All Patents of Type: extruding machines and dies | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,167,845 | Aug. 01, 1939 | W. Klocke | Extrusion process and apparatus | extruding machines and dies | |
| 2,415,696 | Feb. 11, 1947 | W. Klocke | Extrusion apparatus | extruding machines and dies | |
| 3,766,771 | Oct. 23, 1973 | P.D. Desai, S.A. Spachner | Extruding press | extruding machines and dies | |