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| Patents for A. L. Henderer & Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 20,956 | Jul. 20, 1858 | A. Rennie | Gauge lathe | wood lathes | |
| 260,555 | Jul. 04, 1882 | Z.J. Ferguson | Boiler-tube expander | pipe and tube expanders | |
| 483,920 | Oct. 04, 1892 | A.L. Henderer | Tool for expanding the ends of boiler-tubes | pipe and tube expanders | |