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| Patents for Francis M. Frost | |||||
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| Number | Date | Patentee | Title | Type | |
| 983,745 | Feb. 07, 1911 | R. Milne | Locking device for shiftable members | metalworking machine mechanisms | |
| 983,746 | Feb. 07, 1911 | R. Milne | Feed mechanism for drill-spindles | drill presses | |