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Patents for Lothrop, Mead & Co. | |||||
Number | Date | Patentee | Title | Type | |
73,415 | Jan. 14, 1868 | H.O. Lothrop | Improvement in steam-engines cut-offs | steam engine governors | |
75,034 | Mar. 03, 1868 | H.O. Lothrop | Improvement in steam-engines cut-offs | steam engine governors |