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Patents for Charles Leon Libby
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
406,413Jul. 02, 1889C.L. LibbyTurret Latheturret lathes
443,775Dec. 30, 1890C.L. LibbyAttachment for Turret Lathesmetal lathe accessories
455,344Jul. 07, 1891C.L. LibbyLathe Headturret lathes
511,736Dec. 26, 1893C.L. LibbyTaper attachment and feed mechanism for vertical boring millvertical boring mills
514,719Feb. 13, 1894C.L. LibbyBoring-millvertical boring mills
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