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| Patents for D. Fletcher Barber | |||||
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| Number | Date | Patentee | Title | Type | |
| 230,603 | Aug. 03, 1880 | D.F. Barber | Countersink | countersinks | |
| 284,799 | Sep. 11, 1883 | D.F. Barber | Hand-drill | hand drills | |