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| Patents for Charles E. Ennes | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,121,271 | Dec. 15, 1914 | C.D. McDonald, C.E. Ennes | Die-press mechanism or the like | ||
| 1,408,617 | Mar. 07, 1922 | C.D. McDonald, C.E. Ennes | Can-end-feeding mechanism | can making machines | |