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| All Patents of Type: screw presses | |||||
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| Number | Date | Patentee | Title | Type | |
| 155,862 | Oct. 13, 1874 | C.W. Crenshaw | Improvement in screw-presses | screw presses | |
| 1,783,250 | Dec. 02, 1930 | R.E. Manley | Lever mechanism | screw presses | |