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| Patents for Fred. B. Dolan | |||||
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| Number | Date | Patentee | Title | Type | |
| 341,084 | May 04, 1886 | F.E. Whitney | Manufacture of Twist-Drills | making drills and augers | |
| 354,657 | Dec. 21, 1886 | L.L. Rowe | Crimping tool | pliers | |