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US Patent: 1,917,022
Electrochemical Process for Cleaning Metal
Patentee: Thomas E. Dunn (exact or similar names) - Bridgeport, CT USPTO Classifications: 205/440 Tool Categories: Assignees: Bullard Co. - Bridgeport, CT Manufacturer: Bullard Co. - Bridgeport, CT Witnesses: Unknown	Patent Dates: Applied: Jul. 28, 1932 Granted: Jul. 04, 1933 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens Vintage Machinery entry for Bullard Machine Tool Co.

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