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| Patents for L. N. Müller | |||||
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| Number | Date | Patentee | Title | Type | |
| 118,732 | Sep. 05, 1871 | W.A. Long | Improvement in Milling Machines | milling machines | |
| 123,546 | Feb. 13, 1872 | H.G. Ashton | Improvement in Lock Safety-Valves for Steam-Boilers | steam safety valves | |