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| Patents for Leicester Allen | |||||
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| Number | Date | Patentee | Title | Type | |
| 83,445 | Oct. 27, 1868 | W. Baxter | Steam Boiler Fire Tube | stationary boilers | |
| 350,007 | Sep. 28, 1886 | F.M. Leavitt | Drop-hammer | drop hammers | |