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Patents for L. N. Müller | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 118,732 | Sep. 05, 1871 | W.A. Long | Improvement in Milling Machines | |
![]() | 123,546 | Feb. 13, 1872 | H.G. Ashton | Improvement in Lock Safety-Valves for Steam-Boilers |