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US Patent: 2,541,202
Apparatus for removing entrained particles from liquid coolant
Patentee: Harry J. Caldwell (exact or similar names) - Rockford, IL USPTO Classifications: 210/222, 210/402, 210/416.1 Tool Categories: Assignees: Barnes Drill Co. - Rockford, IL Manufacturer: Barnes Drill Co. - Rockford, IL Witnesses: Unknown	Patent Dates: Applied: Nov. 18, 1946 Granted: Feb. 13, 1951 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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