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| Patents for Jessie S. Blackmer | |||||
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| Number | Date | Patentee | Title | Type | |
| 973,489 | Oct. 25, 1910 | F.E. Farley | Drill | drilling and boring | |
| 1,045,200 | Nov. 26, 1912 | C.D. Severance | Breast Drill Gearing | breast drills | |
| 1,090,180 | Mar. 17, 1914 | F. Judge, F.O. Wells | Calipering Gage for Screw Threads | measurement gauges | |