You are hereHome › Provost and Executive Vice President for Academic Affairs (x) › Local History Files (x) › Ohlinger, Gustavus (1877-1972) (x) › 71/9 (x) › University of Toledo U.S. Patents (x) › Search results (1 - 4 of 4) Label Method for treating bioorganic and wastewater sludges Method for treating bioorganic and wastewater sludges Process to stabilize bioorganic, raw or treated wastewater sludge Process to stabilize wastewater sludge