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| Patents for Boyé & Emmes Machine Tool Co. | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 1,605,931 | Nov. 09, 1926 | W.T. Emmes | Change-speed mechanism for machine tools | |
 | 1,680,141 | Aug. 07, 1928 | W.T. Emmes | Reversing and braking mechanism for machine tools | |
 | 1,931,801 | Oct. 24, 1933 | G.A. Mohr | Lathe apron mechanism | |