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| Patents for James L. Haven & Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 152,371 | Jun. 23, 1874 | J.L. Haven, G.H. Knight | Improvement in furniture-fastenings | furniture hardware | |
| RE5,982 | Jul. 21, 1874 | H.L. Whitman | Improvement in cider-mills | cider presses | |
| D8,396 | Jun. 15, 1875 | H.L. Fry | Design for a chain-pump curb | ||
| D8,397 | Jun. 15, 1875 | H.L. Fry | Design for a chain-pump curb | ||
| 178,496 | Jun. 06, 1876 | H.L. Whitman | Improvement in cider-mills | cider presses | |