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Patents for Frederick Elsworth Sickels
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
4,202Sep. 19, 1845F.E. SickelsMode of connecting steam-cylinders with steam-chestssteam engine valve gear
5,765Sep. 12, 1848F.E. SickelsMethod of Controlling Motive Powerpower hammers
RE565Jun. 01, 1858F.E. SickelsImprovement in the mode of connecting steam-cylinders with steam-chestssteam engine valve gear
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