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Patents for L. N. Müller
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
118,732Sep. 05, 1871W.A. LongImprovement in Milling Machinesmilling machines
123,546Feb. 13, 1872H.G. AshtonImprovement in Lock Safety-Valves for Steam-Boilerssteam safety valves
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