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All Patents in class 416/174
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,962,380Jun. 12, 1934G.A. BiggsHydraulic Turbineturbine water wheels
2,307,622Jan. 05, 1943H.N. Edens, C.B. MolterWindmillwind power apparatus
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