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| Patents for Harry Hubbard Evarts | |||||
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| Number | Date | Patentee | Title | Type | |
| D4,031 | May 17, 1870 | H.H. Evarts | Design for a dovetail | dovetailing machines | |
| 104,001 | Jun. 07, 1870 | H.H. Evarts | Improvement in dovetailing-machine | dovetailing machines | |
| 111,830 | Feb. 14, 1871 | H.H. Evarts | Improvement in traveling-trunks | ||