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US Patent: 3,456,797
Apparatus and method for cleaning dirty liquid
Patentee: Marriott Roger (exact or similar names) - Rockford, IL USPTO Classifications: 210/195.1, 210/223, 210/262, 210/695 Tool Categories: Assignees: Barnes Drill Co. - Rockford, IL Manufacturer: Barnes Drill Co. - Rockford, IL Witnesses: Unknown	Patent Dates: Applied: Mar. 10, 1967 Granted: Jul. 22, 1969 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Barnes Drill Co.

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