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US Patent: 2,157,417
Automatic circuit selector
Patentee: Richard F. Kneisley (exact or similar names) - Toledo, OH USPTO Classifications: 307/112, 318/442, 318/770, 361/33 Tool Categories: woodworking machines : woodworking machine mechanisms Assignees: American Floor Surfacing Machine Co. - Toledo, OH Manufacturer: American Floor Surfacing Machine Co. - Toledo, OH Witnesses: Unknown	Patent Dates: Applied: Aug. 02, 1937 Granted: May 09, 1939 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for American Floor Surfacing Machine Co.

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