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All Patents in class 210/258
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
2,518,835Aug. 15, 1950O.M. SummersFilter systemcoolant apparatus
3,840,120Oct. 08, 1974D.K. GreenbergApparatus for separating particles from liquid
4,025,433May 24, 1977D.K. GreenbergMagnetic separating apparatus
4,950,392Aug. 21, 1990M.D. Tiegs, R.D. LiegelFiltration tank for filtering waste water used in washing mechanical components
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