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| Patents for David B. Flint | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 87,806 | Mar. 16, 1869 | R. Hunt | Improvement in fulling-mills | |
 | 91,338 | Jun. 15, 1869 | R. Hunt | Improvement in water-wheels | |
 | 105,082 | Jul. 05, 1870 | R. Hunt | Improvement in machines for fulling cloth | |
 | 171,656 | Jan. 04, 1876 | D.B. Flint | Improvement in turbines | |