All Patents in class 92/108


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All Patents in class 92/108
Patents 1 - 3 of 3
Number	Date	Patentee	Title	Type
97,231	Nov. 23, 1869	J.B. Root	Steam Engine	steam engines
728,572	May 19, 1903	B.M. Hanson	Fluid Pressure Operated Chuck	metal lathe chucks
2,955,578	Oct. 11, 1960	A.H. Luedicke, Jr., C.L. Flessate	Hydraulic Ram